#313648#313648

#313648 is a dark, muted blue. Relative luminance 0.038; OKLCH L 33.6% C 0.033 H 272.5°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#313648
RGB	rgb(49, 54, 72)
HSL	hsl(227, 19%, 24%)
HSV	hsv(227, 32%, 28%)
CMYK	cmyk(31.9%, 25%, 0%, 71.8%)
CIE-LAB	lab(22.86, 2.80, -11.79)
CIE-LCH	lch(22.86, 12.12, 283.36°)
OKLab	oklab(33.6% 0.0014 -0.0325)
OKLCH	oklch(33.6% 0.033 272.5)
XYZ	xyz(3.7552, 3.7591, 6.6574)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313648 #484331

analogous

#314148 #313648 #373148

triadic

#313648 #483136 #364831

tetradic

#313648 #483141 #484331 #314837

square

#313648 #483141 #484331 #314837

split-complementary

#313648 #483731 #414831

monochromatic

#0C0E12 #181B24 #313648 #4A516C #636D91

Accessibility & contrast

On white

11.99

#313648 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#313648 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313648

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313648	#FFFFFF	#000000	##FFFFFF
##313648	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313849

Deuteranopia (green-blind)

#2F3648

Tritanopia (blue-blind)

#2B393C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #313648;
/* rgb */ color: rgb(49, 54, 72);
/* oklch */ color: oklch(33.6% 0.033 272.5);

Tailwind

colors: {
  custom: {
    50: '#696c7b',
    500: '#313648',
    950: '#000000',
  },
}

SCSS

$custom: #313648;
$custom-light: #696c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#313648",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 72
  },
  "hsl": {
    "h": 226.957,
    "s": 19.008,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33597,
    "c": 0.03253,
    "h": 272.5
  },
  "luminance": 0.03759
}

Semantic roles & 50–950 ramp

primary

#313648

secondary

#79725C

accent

#AA6CBC

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060709

muted

#7A7A7B

Preview Lab

Preview with #313648

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

Preview Lab → · Contrast checker → · Palette generator →