#313451#313451

#313451 is a dark, muted blue. Relative luminance 0.037; OKLCH L 33.6% C 0.051 H 278.7°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#313451
RGB	rgb(49, 52, 81)
HSL	hsl(234, 25%, 25%)
HSV	hsv(234, 40%, 32%)
CMYK	cmyk(39.5%, 35.8%, 0%, 68.2%)
CIE-LAB	lab(22.66, 6.96, -18.10)
CIE-LCH	lch(22.66, 19.39, 291.05°)
OKLab	oklab(33.59% 0.0078 -0.0505)
OKLCH	oklch(33.59% 0.051 278.7)
XYZ	xyz(3.9794, 3.7029, 8.2880)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313451 #514E31

analogous

#314451 #313451 #3E3151

triadic

#313451 #513134 #345131

tetradic

#313451 #513144 #514E31 #31513E

square

#313451 #513144 #514E31 #31513E

split-complementary

#313451 #513E31 #445131

monochromatic

#0C0C13 #1A1C2B #313451 #484C77 #5F659D

Accessibility & contrast

On white

12.06

#313451 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#313451 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313451

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313451	#FFFFFF	#000000	##FFFFFF
##313451	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3752

Deuteranopia (green-blind)

#293550

Tritanopia (blue-blind)

#283A3E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #313451;
/* rgb */ color: rgb(49, 52, 81);
/* oklch */ color: oklch(33.6% 0.051 278.7);

Tailwind

colors: {
  custom: {
    50: '#6a6b82',
    500: '#313451',
    950: '#000000',
  },
}

SCSS

$custom: #313451;
$custom-light: #6a6b82;
$custom-dark: #000000;

JSON

{
  "hex": "#313451",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 81
  },
  "hsl": {
    "h": 234.375,
    "s": 24.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3359,
    "c": 0.05112,
    "h": 278.7
  },
  "luminance": 0.03703
}

Semantic roles & 50–950 ramp

primary

#313451

secondary

#827E5C

accent

#B967C1

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#06060A

muted

#7A7A7C

Preview Lab

Preview with #313451

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

Preview Lab → · Contrast checker → · Palette generator →