ColorXprez

#617C8D

Slate Gray · medium cool blue

About #617C8D

#617C8D is a muted, medium shade in the blue family. On screen it is built from 38% red, 49% green and 55% blue; for print, its CMYK mix is 31% cyan, 12% magenta, 0% yellow and 45% black. Its overall feel is cool.

Of the common colour names it is very close to Slate Gray (ΔE 4.4); Gray comes next. Its complementary colour, directly opposite on the colour wheel, is #8D7261 — a mocha tone that gives the strongest contrast in hue.

Designers tend to use medium tones like #617C8D for illustrations, icons and secondary elements. Put black text on top of it — 4.78:1, a WCAG AA pass.

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red97
Green124
Blue141

Closest named colours

Slate Gray
#708090 · ΔE 4.4
Gray
#808080 · ΔE 13.8
Taupe
#8B8589 · ΔE 15.0

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

Text on #617C8D

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on slate gray #617C8D.
4.40:1AA Large
Black heading text
Body copy set on slate gray #617C8D.
4.78:1AA

Colour-blindness preview

How #617C8D appears to people with the three most common types of colour-vision deficiency.

Normal vision
#617C8D
Protanopia (no red cones)
#747B8E
Deuteranopia (no green cones)
#6E768D
Tritanopia (no blue cones)
#538081

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #617C8D?

#617C8D is a muted, medium shade in the blue family. On screen it is built from 38% red, 49% green and 55% blue; for print, its CMYK mix is 31% cyan, 12% magenta, 0% yellow and 45% black. Its overall feel is cool.

›What text colour should I use on #617C8D?

Use black text. Black on #617C8D has a contrast ratio of 4.78:1 (AA).

›What colours go with #617C8D?

Its complementary colour is #8D7261, and analogous partners are #618D88 and #61668D.