#313643#313643

#313643 is a dark, muted blue. Relative luminance 0.037; OKLCH L 33.4% C 0.024 H 268.6°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#313643
RGB	rgb(49, 54, 67)
HSL	hsl(223, 16%, 23%)
HSV	hsv(223, 27%, 26%)
CMYK	cmyk(26.9%, 19.4%, 0%, 73.7%)
CIE-LAB	lab(22.64, 1.34, -8.77)
CIE-LCH	lch(22.64, 8.87, 278.66°)
OKLab	oklab(33.36% -0.0006 -0.024)
OKLCH	oklch(33.36% 0.024 268.6)
XYZ	xyz(3.5986, 3.6965, 5.8330)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313643 #433E31

analogous

#313F43 #313643 #353143

triadic

#313643 #433136 #364331

tetradic

#313643 #43313F #433E31 #314335

square

#313643 #43313F #433E31 #314335

split-complementary

#313643 #433531 #3F4331

monochromatic

#0D0E12 #171A20 #313643 #4B5266 #656F8A

Accessibility & contrast

On white

12.07

#313643 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#313643 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313643

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313643	#FFFFFF	#000000	##FFFFFF
##313643	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323744

Deuteranopia (green-blind)

#313543

Tritanopia (blue-blind)

#2C383A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #313643;
/* rgb */ color: rgb(49, 54, 67);
/* oklch */ color: oklch(33.4% 0.024 268.6);

Tailwind

colors: {
  custom: {
    50: '#696c77',
    500: '#313643',
    950: '#000000',
  },
}

SCSS

$custom: #313643;
$custom-light: #696c77;
$custom-dark: #000000;

JSON

{
  "hex": "#313643",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 223.333,
    "s": 15.517,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33356,
    "c": 0.024,
    "h": 268.6
  },
  "luminance": 0.03697
}

Semantic roles & 50–950 ramp

primary

#313643

secondary

#736D5D

accent

#A470B8

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #313643

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

Preview Lab → · Contrast checker → · Palette generator →