#313151#313151

#313151 is a dark, muted blue. Relative luminance 0.034; OKLCH L 32.9% C 0.056 H 282.9°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#313151
RGB	rgb(49, 49, 81)
HSL	hsl(240, 25%, 25%)
HSV	hsv(240, 40%, 32%)
CMYK	cmyk(39.5%, 39.5%, 0%, 68.2%)
CIE-LAB	lab(21.74, 9.04, -19.55)
CIE-LCH	lch(21.74, 21.54, 294.83°)
OKLab	oklab(32.88% 0.0125 -0.0547)
OKLCH	oklch(32.88% 0.056 282.9)
XYZ	xyz(3.8497, 3.4435, 8.2448)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313151 #515131

analogous

#314151 #313151 #413151

triadic

#313151 #513131 #315131

tetradic

#313151 #513141 #515131 #315141

square

#313151 #513141 #515131 #315141

split-complementary

#313151 #514131 #415131

monochromatic

#0C0C13 #1A1A2B #313151 #484877 #5F5F9D

Accessibility & contrast

On white

12.43

#313151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#313151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313151

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313151	#FFFFFF	#000000	##FFFFFF
##313151	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273552

Deuteranopia (green-blind)

#263350

Tritanopia (blue-blind)

#28373D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #313151;
/* rgb */ color: rgb(49, 49, 81);
/* oklch */ color: oklch(32.9% 0.056 282.9);

Tailwind

colors: {
  custom: {
    50: '#6a6982',
    500: '#313151',
    950: '#000000',
  },
}

SCSS

$custom: #313151;
$custom-light: #6a6982;
$custom-dark: #000000;

JSON

{
  "hex": "#313151",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 240,
    "s": 24.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32879,
    "c": 0.05612,
    "h": 282.9
  },
  "luminance": 0.03444
}

Semantic roles & 50–950 ramp

primary

#313151

secondary

#82825C

accent

#C167C1

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#06060A

muted

#7A7A7C

Preview Lab

Preview with #313151

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

Preview Lab → · Contrast checker → · Palette generator →