#313F45#313F45

#313F45 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.021 H 225.8°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#313F45
RGB	rgb(49, 63, 69)
HSL	hsl(198, 17%, 23%)
HSV	hsv(198, 29%, 27%)
CMYK	cmyk(29%, 8.7%, 0%, 72.9%)
CIE-LAB	lab(25.68, -4.03, -5.53)
CIE-LCH	lch(25.68, 6.84, 233.94°)
OKLab	oklab(35.77% -0.0146 -0.0151)
OKLCH	oklch(35.77% 0.021 225.8)
XYZ	xyz(4.1180, 4.6375, 6.3072)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313F45 #453731

analogous

#314541 #313F45 #313545

triadic

#313F45 #45313F #3F4531

tetradic

#313F45 #413145 #453731 #354531

square

#313F45 #413145 #453731 #354531

split-complementary

#313F45 #453135 #454131

monochromatic

#0D1012 #181E21 #313F45 #4A6069 #64808D

Accessibility & contrast

On white

10.89

#313F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#313F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313F45

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313F45	#FFFFFF	#000000	##FFFFFF
##313F45	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3E45

Deuteranopia (green-blind)

#393C45

Tritanopia (blue-blind)

#2B4141

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313f45;
/* rgb */ color: rgb(49, 63, 69);
/* oklch */ color: oklch(35.8% 0.021 225.8);

Tailwind

colors: {
  custom: {
    50: '#697478',
    500: '#313f45',
    950: '#000000',
  },
}

SCSS

$custom: #313f45;
$custom-light: #697478;
$custom-dark: #000000;

JSON

{
  "hex": "#313f45",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 198,
    "s": 16.949,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3577,
    "c": 0.02099,
    "h": 225.8
  },
  "luminance": 0.04638
}

Semantic roles & 50–950 ramp

primary

#313F45

secondary

#75645C

accent

#856EBA

background

#F6F7F7

surface

#EBEDED

border

#C6C8C8

text

#060809

muted

#7A7B7B

Preview Lab

Preview with #313F45

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

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