#31334B#31334B

#31334B is a dark, muted blue. Relative luminance 0.035; OKLCH L 33.0% C 0.042 H 280.1°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#31334B
RGB	rgb(49, 51, 75)
HSL	hsl(235, 21%, 24%)
HSV	hsv(235, 35%, 29%)
CMYK	cmyk(34.7%, 32%, 0%, 70.6%)
CIE-LAB	lab(22.05, 5.77, -15.05)
CIE-LCH	lch(22.05, 16.12, 290.96°)
OKLab	oklab(33.01% 0.0075 -0.0418)
OKLCH	oklch(33.01% 0.042 280.1)
XYZ	xyz(3.7201, 3.5285, 7.1403)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31334B #4B4931

analogous

#31404B #31334B #3C314B

triadic

#31334B #4B3133 #334B31

tetradic

#31334B #4B3140 #4B4931 #314B3C

square

#31334B #4B3140 #4B4931 #314B3C

split-complementary

#31334B #4B3C31 #404B31

monochromatic

#0C0D13 #191A26 #31334B #494C70 #616595

Accessibility & contrast

On white

12.31

#31334B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#31334B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31334B

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31334B	#FFFFFF	#000000	##FFFFFF
##31334B	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C364C

Deuteranopia (green-blind)

#2B344A

Tritanopia (blue-blind)

#2A373B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #31334b;
/* rgb */ color: rgb(49, 51, 75);
/* oklch */ color: oklch(33.0% 0.042 280.1);

Tailwind

colors: {
  custom: {
    50: '#6a6a7d',
    500: '#31334b',
    950: '#000000',
  },
}

SCSS

$custom: #31334b;
$custom-light: #6a6a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#31334b",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 75
  },
  "hsl": {
    "h": 235.385,
    "s": 20.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33013,
    "c": 0.04243,
    "h": 280.1
  },
  "luminance": 0.03529
}

Semantic roles & 50–950 ramp

primary

#31334B

secondary

#7C795C

accent

#B76ABE

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#060609

muted

#7A7A7B

Preview Lab

Preview with #31334B

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

Preview Lab → · Contrast checker → · Palette generator →