#317D9D#317D9D

#317D9D is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.7% C 0.089 H 229.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#317D9D
RGB	rgb(49, 125, 157)
HSL	hsl(198, 52%, 40%)
HSV	hsv(198, 69%, 62%)
CMYK	cmyk(68.8%, 20.4%, 0%, 38.4%)
CIE-LAB	lab(49.20, -12.72, -24.00)
CIE-LCH	lch(49.20, 27.17, 242.07°)
OKLab	oklab(55.66% -0.0578 -0.0672)
OKLCH	oklch(55.66% 0.089 229.3)
XYZ	xyz(14.6836, 17.7529, 34.5446)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317D9D #9D5131

analogous

#319D87 #317D9D #31479D

triadic

#317D9D #9D317D #7D9D31

tetradic

#317D9D #87319D #9D5131 #479D31

square

#317D9D #87319D #9D5131 #479D31

split-complementary

#317D9D #9D3147 #9D8731

monochromatic

#143340 #22586E #317D9D #46A0C5 #75B8D4

Accessibility & contrast

On white

4.61

#317D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#317D9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317D9D

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317D9D	#FFFFFF	#000000	##FFFFFF
##317D9D	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9F

Deuteranopia (green-blind)

#5E709D

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317d9d;
/* rgb */ color: rgb(49, 125, 157);
/* oklch */ color: oklch(55.7% 0.089 229.3);

Tailwind

colors: {
  custom: {
    50: '#76a2ba',
    500: '#317d9d',
    950: '#000000',
  },
}

SCSS

$custom: #317d9d;
$custom-light: #76a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#317d9d",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 157
  },
  "hsl": {
    "h": 197.778,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55664,
    "c": 0.08863,
    "h": 229.3
  },
  "luminance": 0.17755
}

Semantic roles & 50–950 ramp

primary

#317D9D

secondary

#BC856E

accent

#774CDC

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #317D9D

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

Preview Lab → · Contrast checker → · Palette generator →