#31333E#31333E

#31333E is a dark, near-neutral blue. Relative luminance 0.034; OKLCH L 32.4% C 0.020 H 277.1°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#31333E
RGB	rgb(49, 51, 62)
HSL	hsl(231, 12%, 22%)
HSV	hsv(231, 21%, 24%)
CMYK	cmyk(21%, 17.7%, 0%, 75.7%)
CIE-LAB	lab(21.46, 1.96, -7.18)
CIE-LCH	lch(21.46, 7.44, 285.28°)
OKLab	oklab(32.37% 0.0024 -0.0195)
OKLCH	oklch(32.37% 0.02 277.1)
XYZ	xyz(3.3197, 3.3684, 5.0318)
Luminance	0.0337 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31333E #3E3C31

analogous

#313A3E #31333E #36313E

triadic

#31333E #3E3133 #333E31

tetradic

#31333E #3E313A #3E3C31 #313E36

square

#31333E #3E313A #3E3C31 #313E36

split-complementary

#31333E #3E3631 #3A3E31

monochromatic

#0E0E11 #16171C #31333E #4C4F60 #676B82

Accessibility & contrast

On white

12.55

#31333E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#31333E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31333E

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31333E	#FFFFFF	#000000	##FFFFFF
##31333E	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30343F

Deuteranopia (green-blind)

#2F333E

Tritanopia (blue-blind)

#2E3537

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #31333e;
/* rgb */ color: rgb(49, 51, 62);
/* oklch */ color: oklch(32.4% 0.020 277.1);

Tailwind

colors: {
  custom: {
    50: '#696a73',
    500: '#31333e',
    950: '#000000',
  },
}

SCSS

$custom: #31333e;
$custom-light: #696a73;
$custom-dark: #000000;

JSON

{
  "hex": "#31333e",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 62
  },
  "hsl": {
    "h": 230.769,
    "s": 11.712,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32366,
    "c": 0.01968,
    "h": 277.1
  },
  "luminance": 0.03368
}

Semantic roles & 50–950 ramp

primary

#31333E

secondary

#6E6B5D

accent

#AB73B5

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#060608

muted

#7A7A7B

Preview Lab

Preview with #31333E

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

Preview Lab → · Contrast checker → · Palette generator →