#31859B#31859B

#31859B is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.6% C 0.086 H 218.5°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#31859B
RGB	rgb(49, 133, 155)
HSL	hsl(192, 52%, 40%)
HSV	hsv(192, 68%, 61%)
CMYK	cmyk(68.4%, 14.2%, 0%, 39.2%)
CIE-LAB	lab(51.60, -17.82, -19.14)
CIE-LCH	lch(51.60, 26.15, 227.04°)
OKLab	oklab(57.57% -0.0671 -0.0533)
OKLCH	oklch(57.57% 0.086 218.5)
XYZ	xyz(15.5681, 19.7929, 34.0039)
Luminance	0.1979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31859B #9B4731

analogous

#319B7C #31859B #31509B

triadic

#31859B #9B3185 #859B31

tetradic

#31859B #7C319B #9B4731 #509B31

square

#31859B #7C319B #9B4731 #509B31

split-complementary

#31859B #9B3150 #9B7C31

monochromatic

#14353E #225D6D #31859B #45AAC4 #73BFD3

Accessibility & contrast

On white

4.23

#31859B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#31859B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #31859B

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31859B	#FFFFFF	#000000	##000000
##31859B	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77819C

Deuteranopia (green-blind)

#68769B

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #31859b;
/* rgb */ color: rgb(49, 133, 155);
/* oklch */ color: oklch(57.6% 0.086 218.5);

Tailwind

colors: {
  custom: {
    50: '#77a8b8',
    500: '#31859b',
    950: '#000000',
  },
}

SCSS

$custom: #31859b;
$custom-light: #77a8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#31859b",
  "rgb": {
    "r": 49,
    "g": 133,
    "b": 155
  },
  "hsl": {
    "h": 192.453,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.57565,
    "c": 0.08571,
    "h": 218.5
  },
  "luminance": 0.19795
}

Semantic roles & 50–950 ramp

primary

#31859B

secondary

#BB7D6D

accent

#6A4CDB

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #31859B

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

Preview Lab → · Contrast checker → · Palette generator →