#313647#313647

#313647 is a dark, muted blue. Relative luminance 0.037; OKLCH L 33.5% C 0.031 H 271.9°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#313647
RGB	rgb(49, 54, 71)
HSL	hsl(226, 18%, 24%)
HSV	hsv(226, 31%, 28%)
CMYK	cmyk(31%, 23.9%, 0%, 72.2%)
CIE-LAB	lab(22.81, 2.50, -11.19)
CIE-LCH	lch(22.81, 11.47, 282.61°)
OKLab	oklab(33.55% 0.001 -0.0308)
OKLCH	oklch(33.55% 0.031 271.9)
XYZ	xyz(3.7228, 3.7461, 6.4869)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313647 #474231

analogous

#314147 #313647 #373147

triadic

#313647 #473136 #364731

tetradic

#313647 #473141 #474231 #314737

square

#313647 #473141 #474231 #314737

split-complementary

#313647 #473731 #414731

monochromatic

#0C0E12 #181A23 #313647 #4A526B #636D8F

Accessibility & contrast

On white

12.01

#313647 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#313647 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313647

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313647	#FFFFFF	#000000	##FFFFFF
##313647	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313748

Deuteranopia (green-blind)

#2F3647

Tritanopia (blue-blind)

#2B393C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #313647;
/* rgb */ color: rgb(49, 54, 71);
/* oklch */ color: oklch(33.5% 0.031 271.9);

Tailwind

colors: {
  custom: {
    50: '#696c7a',
    500: '#313647',
    950: '#000000',
  },
}

SCSS

$custom: #313647;
$custom-light: #696c7a;
$custom-dark: #000000;

JSON

{
  "hex": "#313647",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 71
  },
  "hsl": {
    "h": 226.364,
    "s": 18.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33547,
    "c": 0.03082,
    "h": 271.9
  },
  "luminance": 0.03746
}

Semantic roles & 50–950 ramp

primary

#313647

secondary

#77715C

accent

#A96DBB

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060709

muted

#7A7A7B

Preview Lab

Preview with #313647

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

Preview Lab → · Contrast checker → · Palette generator →