#317F91#317F91

#317F91 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.6% C 0.080 H 215.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#317F91
RGB	rgb(49, 127, 145)
HSL	hsl(191, 49%, 38%)
HSV	hsv(191, 66%, 57%)
CMYK	cmyk(66.2%, 12.4%, 0%, 43.1%)
CIE-LAB	lab(49.34, -17.82, -16.75)
CIE-LCH	lch(49.34, 24.45, 223.23°)
OKLab	oklab(55.63% -0.0647 -0.0466)
OKLCH	oklch(55.63% 0.08 215.7)
XYZ	xyz(13.9647, 17.8745, 29.4967)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317F91 #914331

analogous

#319173 #317F91 #314F91

triadic

#317F91 #91317F #7F9131

tetradic

#317F91 #733191 #914331 #4F9131

square

#317F91 #733191 #914331 #4F9131

split-complementary

#317F91 #91314F #917331

monochromatic

#122F36 #225763 #317F91 #41A7BF #6EBCCE

Accessibility & contrast

On white

4.59

#317F91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#317F91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317F91

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317F91	#FFFFFF	#000000	##FFFFFF
##317F91	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737B92

Deuteranopia (green-blind)

#657191

Tritanopia (blue-blind)

#008685

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317f91;
/* rgb */ color: rgb(49, 127, 145);
/* oklch */ color: oklch(55.6% 0.080 215.7);

Tailwind

colors: {
  custom: {
    50: '#75a4b1',
    500: '#317f91',
    950: '#000000',
  },
}

SCSS

$custom: #317f91;
$custom-light: #75a4b1;
$custom-dark: #000000;

JSON

{
  "hex": "#317f91",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 145
  },
  "hsl": {
    "h": 191.25,
    "s": 49.485,
    "l": 38.039
  },
  "oklch": {
    "l": 0.55626,
    "c": 0.07975,
    "h": 215.7
  },
  "luminance": 0.17876
}

Semantic roles & 50–950 ramp

primary

#317F91

secondary

#B67768

accent

#694FD9

background

#F7FAFA

surface

#EDF4F5

border

#C8CECF

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #317F91

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

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