#313243#313243

#313243 is a dark, muted blue. Relative luminance 0.033; OKLCH L 32.4% C 0.030 H 281.9°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#313243
RGB	rgb(49, 50, 67)
HSL	hsl(237, 16%, 23%)
HSV	hsv(237, 27%, 26%)
CMYK	cmyk(26.9%, 25.4%, 0%, 73.7%)
CIE-LAB	lab(21.35, 4.06, -10.73)
CIE-LCH	lch(21.35, 11.47, 290.71°)
OKLab	oklab(32.35% 0.0062 -0.0295)
OKLCH	oklch(32.35% 0.03 281.9)
XYZ	xyz(3.4201, 3.3394, 5.7735)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313243 #434231

analogous

#313B43 #313243 #393143

triadic

#313243 #433132 #324331

tetradic

#313243 #43313B #434231 #314339

square

#313243 #43313B #434231 #314339

split-complementary

#313243 #433931 #3B4331

monochromatic

#0D0D12 #171820 #313243 #4B4C66 #65678A

Accessibility & contrast

On white

12.59

#313243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#313243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313243

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313243	#FFFFFF	#000000	##FFFFFF
##313243	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3444

Deuteranopia (green-blind)

#2D3343

Tritanopia (blue-blind)

#2D3538

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #313243;
/* rgb */ color: rgb(49, 50, 67);
/* oklch */ color: oklch(32.4% 0.030 281.9);

Tailwind

colors: {
  custom: {
    50: '#696977',
    500: '#313243',
    950: '#000000',
  },
}

SCSS

$custom: #313243;
$custom-light: #696977;
$custom-dark: #000000;

JSON

{
  "hex": "#313243",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 236.667,
    "s": 15.517,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32352,
    "c": 0.03012,
    "h": 281.9
  },
  "luminance": 0.03339
}

Semantic roles & 50–950 ramp

primary

#313243

secondary

#73725D

accent

#B470B8

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060608

muted

#7A7A7B

Preview Lab

Preview with #313243

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

Preview Lab → · Contrast checker → · Palette generator →