#31809E#31809E

#31809E is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.5% C 0.089 H 226.8°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#31809E
RGB	rgb(49, 128, 158)
HSL	hsl(197, 53%, 41%)
HSV	hsv(197, 69%, 62%)
CMYK	cmyk(69%, 19%, 0%, 38%)
CIE-LAB	lab(50.17, -14.07, -23.09)
CIE-LCH	lch(50.17, 27.04, 238.64°)
OKLab	oklab(56.45% -0.0606 -0.0646)
OKLCH	oklch(56.45% 0.089 226.8)
XYZ	xyz(15.1549, 18.5583, 35.1245)
Luminance	0.1856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31809E #9E4F31

analogous

#319E85 #31809E #31499E

triadic

#31809E #9E3180 #809E31

tetradic

#31809E #85319E #9E4F31 #499E31

square

#31809E #85319E #9E4F31 #499E31

split-complementary

#31809E #9E3149 #9E8531

monochromatic

#143441 #235A6F #31809E #46A3C6 #75BAD4

Accessibility & contrast

On white

4.46

#31809E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#31809E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #31809E

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31809E	#FFFFFF	#000000	##000000
##31809E	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707EA0

Deuteranopia (green-blind)

#61739E

Tritanopia (blue-blind)

#00898A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #31809e;
/* rgb */ color: rgb(49, 128, 158);
/* oklch */ color: oklch(56.5% 0.089 226.8);

Tailwind

colors: {
  custom: {
    50: '#77a5ba',
    500: '#31809e',
    950: '#000000',
  },
}

SCSS

$custom: #31809e;
$custom-light: #77a5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31809e",
  "rgb": {
    "r": 49,
    "g": 128,
    "b": 158
  },
  "hsl": {
    "h": 196.514,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56454,
    "c": 0.08855,
    "h": 226.8
  },
  "luminance": 0.1856
}

Semantic roles & 50–950 ramp

primary

#31809E

secondary

#BC846E

accent

#734CDC

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #31809E

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

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