#2B313D#2B313D

#2B313D is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.3% C 0.023 H 264.2°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B313D
RGB	rgb(43, 49, 61)
HSL	hsl(220, 17%, 20%)
HSV	hsv(220, 30%, 24%)
CMYK	cmyk(29.5%, 19.7%, 0%, 76.1%)
CIE-LAB	lab(20.23, 0.72, -8.42)
CIE-LCH	lch(20.23, 8.45, 274.91°)
OKLab	oklab(31.25% -0.0024 -0.023)
OKLCH	oklch(31.25% 0.023 264.2)
XYZ	xyz(2.9366, 3.0471, 4.8474)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B313D #3D372B

analogous

#2B3A3D #2B313D #2E2B3D

triadic

#2B313D #3D2B31 #313D2B

tetradic

#2B313D #3D2B3A #3D372B #2B3D2E

square

#2B313D #3D2B3A #3D372B #2B3D2E

split-complementary

#2B313D #3D2E2B #3A3D2B

monochromatic

#0D0E12 #121419 #2B313D #444E61 #5E6B85

Accessibility & contrast

On white

13.05

#2B313D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2B313D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B313D

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B313D	#FFFFFF	#000000	##FFFFFF
##2B313D	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D323E

Deuteranopia (green-blind)

#2B303D

Tritanopia (blue-blind)

#263335

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b313d;
/* rgb */ color: rgb(43, 49, 61);
/* oklch */ color: oklch(31.3% 0.023 264.2);

Tailwind

colors: {
  custom: {
    50: '#646972',
    500: '#2b313d',
    950: '#000000',
  },
}

SCSS

$custom: #2b313d;
$custom-light: #646972;
$custom-dark: #000000;

JSON

{
  "hex": "#2b313d",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 220,
    "s": 17.308,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31254,
    "c": 0.02317,
    "h": 264.2
  },
  "luminance": 0.03047
}

Semantic roles & 50–950 ramp

primary

#2B313D

secondary

#6E6656

accent

#A16EBA

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#050608

muted

#7A7A7B

Preview Lab

Preview with #2B313D

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

Preview Lab → · Contrast checker → · Palette generator →