#313D52#313D52

#313D52 is a dark, muted blue. Relative luminance 0.046; OKLCH L 35.9% C 0.040 H 261.4°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#313D52
RGB	rgb(49, 61, 82)
HSL	hsl(218, 25%, 26%)
HSV	hsv(218, 40%, 32%)
CMYK	cmyk(40.2%, 25.6%, 0%, 67.8%)
CIE-LAB	lab(25.56, 1.17, -14.27)
CIE-LCH	lch(25.56, 14.31, 274.69°)
OKLab	oklab(35.86% -0.006 -0.0395)
OKLCH	oklch(35.86% 0.04 261.4)
XYZ	xyz(4.4579, 4.5994, 8.6339)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313D52 #524631

analogous

#314D52 #313D52 #353152

triadic

#313D52 #52313D #3D5231

tetradic

#313D52 #52314D #524631 #315235

square

#313D52 #52314D #524631 #315235

split-complementary

#313D52 #523531 #4D5231

monochromatic

#0B0E13 #1A212C #313D52 #485978 #5F769F

Accessibility & contrast

On white

10.94

#313D52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#313D52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313D52

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313D52	#FFFFFF	#000000	##FFFFFF
##313D52	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363E53

Deuteranopia (green-blind)

#323B52

Tritanopia (blue-blind)

#274144

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313d52;
/* rgb */ color: rgb(49, 61, 82);
/* oklch */ color: oklch(35.9% 0.040 261.4);

Tailwind

colors: {
  custom: {
    50: '#6a7282',
    500: '#313d52',
    950: '#000000',
  },
}

SCSS

$custom: #313d52;
$custom-light: #6a7282;
$custom-dark: #000000;

JSON

{
  "hex": "#313d52",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 82
  },
  "hsl": {
    "h": 218.182,
    "s": 25.191,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35858,
    "c": 0.03999,
    "h": 261.4
  },
  "luminance": 0.046
}

Semantic roles & 50–950 ramp

primary

#313D52

secondary

#83755C

accent

#A066C2

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#06070A

muted

#7A7A7C

Preview Lab

Preview with #313D52

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

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