#31687D#31687D

#31687D is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.9% C 0.067 H 225.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#31687D
RGB	rgb(49, 104, 125)
HSL	hsl(197, 44%, 34%)
HSV	hsv(197, 61%, 49%)
CMYK	cmyk(60.8%, 16.8%, 0%, 51%)
CIE-LAB	lab(41.27, -11.46, -17.18)
CIE-LCH	lch(41.27, 20.65, 236.29°)
OKLab	oklab(48.9% -0.0467 -0.0478)
OKLCH	oklch(48.9% 0.067 225.7)
XYZ	xyz(9.9172, 12.0333, 21.1981)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31687D #7D4631

analogous

#317D6C #31687D #31427D

triadic

#31687D #7D3168 #687D31

tetradic

#31687D #6C317D #7D4631 #427D31

square

#31687D #6C317D #7D4631 #427D31

split-complementary

#31687D #7D3142 #7D6C31

monochromatic

#0F1F25 #204351 #31687D #428DA9 #66A9C3

Accessibility & contrast

On white

6.16

#31687D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#31687D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31687D

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31687D	#FFFFFF	#000000	##FFFFFF
##31687D	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D667E

Deuteranopia (green-blind)

#525E7D

Tritanopia (blue-blind)

#006E6F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #31687d;
/* rgb */ color: rgb(49, 104, 125);
/* oklch */ color: oklch(48.9% 0.067 225.7);

Tailwind

colors: {
  custom: {
    50: '#7193a2',
    500: '#31687d',
    950: '#000000',
  },
}

SCSS

$custom: #31687d;
$custom-light: #7193a2;
$custom-dark: #000000;

JSON

{
  "hex": "#31687d",
  "rgb": {
    "r": 49,
    "g": 104,
    "b": 125
  },
  "hsl": {
    "h": 196.579,
    "s": 43.678,
    "l": 34.118
  },
  "oklch": {
    "l": 0.48902,
    "c": 0.06683,
    "h": 225.7
  },
  "luminance": 0.12034
}

Semantic roles & 50–950 ramp

primary

#31687D

secondary

#AA7460

accent

#7754D3

background

#F7F9FA

surface

#EDF1F3

border

#C8CBCD

text

#080D0F

muted

#7B7E7F

Preview Lab

Preview with #31687D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →