#31345D#31345D

#31345D is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.071 H 278.8°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#31345D
RGB	rgb(49, 52, 93)
HSL	hsl(236, 31%, 28%)
HSV	hsv(236, 47%, 36%)
CMYK	cmyk(47.3%, 44.1%, 0%, 63.5%)
CIE-LAB	lab(23.34, 10.93, -24.96)
CIE-LCH	lch(23.34, 27.25, 293.64°)
OKLab	oklab(34.33% 0.0109 -0.0705)
OKLCH	oklch(34.33% 0.071 278.8)
XYZ	xyz(4.4698, 3.8991, 10.8709)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31345D #5D5A31

analogous

#314A5D #31345D #44315D

triadic

#31345D #5D3134 #345D31

tetradic

#31345D #5D314A #5D5A31 #315D44

square

#31345D #5D314A #5D5A31 #315D44

split-complementary

#31345D #5D4431 #4A5D31

monochromatic

#0B0B14 #1C1E35 #31345D #464A85 #5E63AA

Accessibility & contrast

On white

11.80

#31345D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#31345D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31345D

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31345D	#FFFFFF	#000000	##FFFFFF
##31345D	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25395F

Deuteranopia (green-blind)

#22365C

Tritanopia (blue-blind)

#223C44

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #31345d;
/* rgb */ color: rgb(49, 52, 93);
/* oklch */ color: oklch(34.3% 0.071 278.8);

Tailwind

colors: {
  custom: {
    50: '#6c6b8b',
    500: '#31345d',
    950: '#000000',
  },
}

SCSS

$custom: #31345d;
$custom-light: #6c6b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#31345d",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 93
  },
  "hsl": {
    "h": 235.909,
    "s": 30.986,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34325,
    "c": 0.0713,
    "h": 278.8
  },
  "luminance": 0.03899
}

Semantic roles & 50–950 ramp

primary

#31345D

secondary

#8E8B5C

accent

#C061C7

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07060C

muted

#7A7A7D

Preview Lab

Preview with #31345D

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

Preview Lab → · Contrast checker → · Palette generator →