#317D8D#317D8D

#317D8D is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 54.9% C 0.077 H 214.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#317D8D
RGB	rgb(49, 125, 141)
HSL	hsl(190, 48%, 37%)
HSV	hsv(190, 65%, 55%)
CMYK	cmyk(65.2%, 11.3%, 0%, 44.7%)
CIE-LAB	lab(48.56, -18.02, -15.59)
CIE-LCH	lch(48.56, 23.83, 220.86°)
OKLab	oklab(54.95% -0.0642 -0.0433)
OKLCH	oklch(54.95% 0.077 214)
XYZ	xyz(13.4060, 17.2419, 27.8156)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317D8D #8D4131

analogous

#318D6F #317D8D #314F8D

triadic

#317D8D #8D317D #7D8D31

tetradic

#317D8D #6F318D #8D4131 #4F8D31

square

#317D8D #6F318D #8D4131 #4F8D31

split-complementary

#317D8D #8D314F #8D6F31

monochromatic

#112C32 #215560 #317D8D #41A5BA #6CBBCC

Accessibility & contrast

On white

4.72

#317D8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#317D8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #317D8D

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317D8D	#FFFFFF	#000000	##FFFFFF
##317D8D	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71798E

Deuteranopia (green-blind)

#646F8D

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #317d8d;
/* rgb */ color: rgb(49, 125, 141);
/* oklch */ color: oklch(54.9% 0.077 214.0);

Tailwind

colors: {
  custom: {
    50: '#74a2ae',
    500: '#317d8d',
    950: '#000000',
  },
}

SCSS

$custom: #317d8d;
$custom-light: #74a2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#317d8d",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 141
  },
  "hsl": {
    "h": 190.435,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.54949,
    "c": 0.07744,
    "h": 214
  },
  "luminance": 0.17243
}

Semantic roles & 50–950 ramp

primary

#317D8D

secondary

#B47466

accent

#6750D8

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #317D8D

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

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