ColorXprez

#858DBE

Steel Blue · medium cool blue

About #858DBE

#858DBE is a moderately saturated, medium shade in the blue family. On screen it is built from 52% red, 55% green and 75% blue; for print, its CMYK mix is 30% cyan, 26% magenta, 0% yellow and 25% black. Its overall feel is cool.

Of the common colour names it is somewhere between Steel Blue and Dusty Blue (ΔE 15.6); Dusty Blue comes next. Its complementary colour, directly opposite on the colour wheel, is #BEB685 — a tan tone that gives the strongest contrast in hue.

Designers tend to use medium tones like #858DBE for illustrations, icons and secondary elements. Black text reads best on it at 6.55:1 (a WCAG AA pass).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red133
Green141
Blue190

Closest named colours

Steel Blue
#4682B4 · ΔE 15.6
Dusty Blue
#8CA3B8 · ΔE 18.6
Slate Gray
#708090 · ΔE 20.3

ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.

Text on #858DBE

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on steel blue #858DBE.
3.21:1AA Large
Black heading text
Body copy set on steel blue #858DBE.
6.55:1AA

Colour-blindness preview

How #858DBE appears to people with the three most common types of colour-vision deficiency.

Normal vision
#858DBE
Protanopia (no red cones)
#7F92C0
Deuteranopia (no green cones)
#7B8EBD
Tritanopia (no blue cones)
#76969E

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #858DBE?

#858DBE is a moderately saturated, medium shade in the blue family. On screen it is built from 52% red, 55% green and 75% blue; for print, its CMYK mix is 30% cyan, 26% magenta, 0% yellow and 25% black. Its overall feel is cool.

›What text colour should I use on #858DBE?

Use black text. Black on #858DBE has a contrast ratio of 6.55:1 (AA).

›What colours go with #858DBE?

Its complementary colour is #BEB685, and analogous partners are #85AABE and #9985BE.