#31809C#31809C

#31809C is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.4% C 0.087 H 225.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#31809C
RGB	rgb(49, 128, 156)
HSL	hsl(196, 52%, 40%)
HSV	hsv(196, 69%, 61%)
CMYK	cmyk(68.6%, 17.9%, 0%, 38.8%)
CIE-LAB	lab(50.09, -14.74, -22.05)
CIE-LCH	lch(50.09, 26.52, 236.23°)
OKLab	oklab(56.36% -0.0613 -0.0616)
OKLCH	oklch(56.36% 0.087 225.1)
XYZ	xyz(14.9841, 18.4900, 34.2253)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31809C #9C4D31

analogous

#319C82 #31809C #314A9C

triadic

#31809C #9C3180 #809C31

tetradic

#31809C #82319C #9C4D31 #4A9C31

square

#31809C #82319C #9C4D31 #4A9C31

split-complementary

#31809C #9C314A #9C8231

monochromatic

#14343F #225A6D #31809C #45A3C5 #74BAD3

Accessibility & contrast

On white

4.47

#31809C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#31809C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #31809C

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31809C	#FFFFFF	#000000	##000000
##31809C	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717D9D

Deuteranopia (green-blind)

#62729C

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #31809c;
/* rgb */ color: rgb(49, 128, 156);
/* oklch */ color: oklch(56.4% 0.087 225.1);

Tailwind

colors: {
  custom: {
    50: '#76a5b9',
    500: '#31809c',
    950: '#000000',
  },
}

SCSS

$custom: #31809c;
$custom-light: #76a5b9;
$custom-dark: #000000;

JSON

{
  "hex": "#31809c",
  "rgb": {
    "r": 49,
    "g": 128,
    "b": 156
  },
  "hsl": {
    "h": 195.701,
    "s": 52.195,
    "l": 40.196
  },
  "oklch": {
    "l": 0.56362,
    "c": 0.08695,
    "h": 225.1
  },
  "luminance": 0.18492
}

Semantic roles & 50–950 ramp

primary

#31809C

secondary

#BB826D

accent

#724CDC

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #31809C

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

Preview Lab → · Contrast checker → · Palette generator →