#31386D#31386D

#31386D is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.3% C 0.091 H 275.3°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#31386D
RGB	rgb(49, 56, 109)
HSL	hsl(233, 38%, 31%)
HSV	hsv(233, 55%, 43%)
CMYK	cmyk(55%, 48.6%, 0%, 57.3%)
CIE-LAB	lab(25.52, 13.73, -31.86)
CIE-LCH	lch(25.52, 34.69, 293.32°)
OKLab	oklab(36.31% 0.0083 -0.0906)
OKLCH	oklch(36.31% 0.091 275.3)
XYZ	xyz(5.4402, 4.5851, 15.0634)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31386D #6D6631

analogous

#31566D #31386D #48316D

triadic

#31386D #6D3138 #386D31

tetradic

#31386D #6D3156 #6D6631 #316D48

square

#31386D #6D3156 #6D6631 #316D48

split-complementary

#31386D #6D4831 #566D31

monochromatic

#0B0D19 #1E2243 #31386D #444E97 #616BB8

Accessibility & contrast

On white

10.95

#31386D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#31386D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31386D

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31386D	#FFFFFF	#000000	##FFFFFF
##31386D	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213F6F

Deuteranopia (green-blind)

#1A3A6C

Tritanopia (blue-blind)

#16444D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #31386d;
/* rgb */ color: rgb(49, 56, 109);
/* oklch */ color: oklch(36.3% 0.091 275.3);

Tailwind

colors: {
  custom: {
    50: '#6e6e97',
    500: '#31386d',
    950: '#000000',
  },
}

SCSS

$custom: #31386d;
$custom-light: #6e6e97;
$custom-dark: #000000;

JSON

{
  "hex": "#31386d",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 109
  },
  "hsl": {
    "h": 233,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36313,
    "c": 0.091,
    "h": 275.3
  },
  "luminance": 0.04585
}

Semantic roles & 50–950 ramp

primary

#31386D

secondary

#9E965C

accent

#C05ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31386D

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

Preview Lab → · Contrast checker → · Palette generator →