#31335A#31335A

#31335A is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.9% C 0.068 H 279.9°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#31335A
RGB	rgb(49, 51, 90)
HSL	hsl(237, 29%, 27%)
HSV	hsv(237, 46%, 35%)
CMYK	cmyk(45.6%, 43.3%, 0%, 64.7%)
CIE-LAB	lab(22.86, 10.61, -23.75)
CIE-LCH	lch(22.86, 26.01, 294.08°)
OKLab	oklab(33.9% 0.0117 -0.0669)
OKLCH	oklch(33.9% 0.068 279.9)
XYZ	xyz(4.2954, 3.7586, 10.1700)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31335A #5A5831

analogous

#31485A #31335A #44315A

triadic

#31335A #5A3133 #335A31

tetradic

#31335A #5A3148 #5A5831 #315A44

square

#31335A #5A3148 #5A5831 #315A44

split-complementary

#31335A #5A4431 #485A31

monochromatic

#0B0B14 #1B1D32 #31335A #474982 #5E62A7

Accessibility & contrast

On white

11.99

#31335A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#31335A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31335A

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31335A	#FFFFFF	#000000	##FFFFFF
##31335A	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25385C

Deuteranopia (green-blind)

#233559

Tritanopia (blue-blind)

#243B42

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #31335a;
/* rgb */ color: rgb(49, 51, 90);
/* oklch */ color: oklch(33.9% 0.068 279.9);

Tailwind

colors: {
  custom: {
    50: '#6b6a89',
    500: '#31335a',
    950: '#000000',
  },
}

SCSS

$custom: #31335a;
$custom-light: #6b6a89;
$custom-dark: #000000;

JSON

{
  "hex": "#31335a",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 90
  },
  "hsl": {
    "h": 237.073,
    "s": 29.496,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33902,
    "c": 0.06794,
    "h": 279.9
  },
  "luminance": 0.03759
}

Semantic roles & 50–950 ramp

primary

#31335A

secondary

#8B895C

accent

#C162C6

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07060B

muted

#7A7A7C

Preview Lab

Preview with #31335A

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

Preview Lab → · Contrast checker → · Palette generator →