#317BAB#317BAB

#317BAB is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.9% C 0.104 H 240.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#317BAB
RGB	rgb(49, 123, 171)
HSL	hsl(204, 55%, 43%)
HSV	hsv(204, 71%, 67%)
CMYK	cmyk(71.3%, 28.1%, 0%, 32.9%)
CIE-LAB	lab(49.20, -6.71, -32.15)
CIE-LCH	lch(49.20, 32.84, 258.21°)
OKLab	oklab(55.87% -0.0507 -0.0907)
OKLCH	oklch(55.87% 0.104 240.8)
XYZ	xyz(15.6974, 17.7574, 41.1204)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BAB #AB6131

analogous

#31AB9E #317BAB #313EAB

triadic

#317BAB #AB317B #7BAB31

tetradic

#317BAB #9E31AB #AB6131 #3EAB31

square

#317BAB #9E31AB #AB6131 #3EAB31

split-complementary

#317BAB #AB313E #AB9E31

monochromatic

#16374C #23597B #317BAB #4D9ACC #7DB5DA

Accessibility & contrast

On white

4.61

#317BAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#317BAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317BAB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BAB	#FFFFFF	#000000	##FFFFFF
##317BAB	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)

#657BAD

Deuteranopia (green-blind)

#5470AA

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317bab;
/* rgb */ color: rgb(49, 123, 171);
/* oklch */ color: oklch(55.9% 0.104 240.8);

Tailwind

colors: {
  custom: {
    50: '#78a1c4',
    500: '#317bab',
    950: '#000000',
  },
}

SCSS

$custom: #317bab;
$custom-light: #78a1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#317bab",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 171
  },
  "hsl": {
    "h": 203.607,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55873,
    "c": 0.10394,
    "h": 240.8
  },
  "luminance": 0.17759
}

Semantic roles & 50–950 ramp

primary

#317BAB

secondary

#C29475

accent

#8449DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #317BAB

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

Preview Lab → · Contrast checker → · Palette generator →