#313B44#313B44

#313B44 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.021 H 245.6°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#313B44
RGB	rgb(49, 59, 68)
HSL	hsl(208, 16%, 23%)
HSV	hsv(208, 28%, 27%)
CMYK	cmyk(27.9%, 13.2%, 0%, 73.3%)
CIE-LAB	lab(24.32, -1.71, -6.91)
CIE-LCH	lch(24.32, 7.12, 256.12°)
OKLab	oklab(34.68% -0.0085 -0.0188)
OKLCH	oklch(34.68% 0.021 245.6)
XYZ	xyz(3.8737, 4.1981, 6.0739)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313B44 #443A31

analogous

#314443 #313B44 #313144

triadic

#313B44 #44313B #3B4431

tetradic

#313B44 #433144 #443A31 #314431

square

#313B44 #433144 #443A31 #314431

split-complementary

#313B44 #443131 #444331

monochromatic

#0D0F12 #171C20 #313B44 #4B5A68 #64798B

Accessibility & contrast

On white

11.42

#313B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#313B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313B44

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313B44	#FFFFFF	#000000	##FFFFFF
##313B44	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373B44

Deuteranopia (green-blind)

#353944

Tritanopia (blue-blind)

#2C3D3E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #313b44;
/* rgb */ color: rgb(49, 59, 68);
/* oklch */ color: oklch(34.7% 0.021 245.6);

Tailwind

colors: {
  custom: {
    50: '#697077',
    500: '#313b44',
    950: '#000000',
  },
}

SCSS

$custom: #313b44;
$custom-light: #697077;
$custom-dark: #000000;

JSON

{
  "hex": "#313b44",
  "rgb": {
    "r": 49,
    "g": 59,
    "b": 68
  },
  "hsl": {
    "h": 208.421,
    "s": 16.239,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34684,
    "c": 0.02069,
    "h": 245.6
  },
  "luminance": 0.04198
}

Semantic roles & 50–950 ramp

primary

#313B44

secondary

#74685D

accent

#926FB9

background

#F6F6F7

surface

#EBECED

border

#C6C7C8

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #313B44

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

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