#313658#313658

#313658 is a dark, muted blue. Relative luminance 0.040; OKLCH L 34.5% C 0.060 H 276.4°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#313658
RGB	rgb(49, 54, 88)
HSL	hsl(232, 28%, 27%)
HSV	hsv(232, 44%, 35%)
CMYK	cmyk(44.3%, 38.6%, 0%, 65.5%)
CIE-LAB	lab(23.66, 7.87, -21.17)
CIE-LCH	lch(23.66, 22.59, 290.39°)
OKLab	oklab(34.48% 0.0067 -0.0594)
OKLCH	oklch(34.48% 0.06 276.4)
XYZ	xyz(4.3467, 3.9957, 9.7728)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313658 #585331

analogous

#314A58 #313658 #403158

triadic

#313658 #583136 #365831

tetradic

#313658 #58314A #585331 #315840

square

#313658 #58314A #585331 #315840

split-complementary

#313658 #584031 #4A5831

monochromatic

#0B0C14 #1B1E31 #313658 #474E7F #5E67A5

Accessibility & contrast

On white

11.67

#313658 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#313658 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313658

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313658	#FFFFFF	#000000	##FFFFFF
##313658	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3A59

Deuteranopia (green-blind)

#283757

Tritanopia (blue-blind)

#253D43

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #313658;
/* rgb */ color: rgb(49, 54, 88);
/* oklch */ color: oklch(34.5% 0.060 276.4);

Tailwind

colors: {
  custom: {
    50: '#6b6c87',
    500: '#313658',
    950: '#000000',
  },
}

SCSS

$custom: #313658;
$custom-light: #6b6c87;
$custom-dark: #000000;

JSON

{
  "hex": "#313658",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 88
  },
  "hsl": {
    "h": 232.308,
    "s": 28.467,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34479,
    "c": 0.0598,
    "h": 276.4
  },
  "luminance": 0.03996
}

Semantic roles & 50–950 ramp

primary

#313658

secondary

#89835C

accent

#B863C5

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#07070B

muted

#7A7A7C

Preview Lab

Preview with #313658

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

Preview Lab → · Contrast checker → · Palette generator →