#2F313A#2F313A

#2F313A is a dark, near-neutral blue. Relative luminance 0.031; OKLCH L 31.5% C 0.016 H 275.5°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F313A
RGB	rgb(47, 49, 58)
HSL	hsl(229, 10%, 21%)
HSV	hsv(229, 19%, 23%)
CMYK	cmyk(19%, 15.5%, 0%, 77.3%)
CIE-LAB	lab(20.47, 1.43, -5.98)
CIE-LCH	lch(20.47, 6.15, 283.49°)
OKLab	oklab(31.49% 0.0016 -0.0162)
OKLCH	oklch(31.49% 0.016 275.5)
XYZ	xyz(3.0341, 3.1064, 4.4419)
Luminance	0.0311 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F313A #3A382F

analogous

#2F363A #2F313A #322F3A

triadic

#2F313A #3A2F31 #313A2F

tetradic

#2F313A #3A2F36 #3A382F #2F3A32

square

#2F313A #3A2F36 #3A382F #2F3A32

split-complementary

#2F313A #3A322F #363A2F

monochromatic

#0E0E11 #141418 #2F313A #4A4E5C #666A7E

Accessibility & contrast

On white

12.95

#2F313A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2F313A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F313A

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F313A	#FFFFFF	#000000	##FFFFFF
##2F313A	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F323A

Deuteranopia (green-blind)

#2E313A

Tritanopia (blue-blind)

#2D3334

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2f313a;
/* rgb */ color: rgb(47, 49, 58);
/* oklch */ color: oklch(31.5% 0.016 275.5);

Tailwind

colors: {
  custom: {
    50: '#676970',
    500: '#2f313a',
    950: '#000000',
  },
}

SCSS

$custom: #2f313a;
$custom-light: #676970;
$custom-dark: #000000;

JSON

{
  "hex": "#2f313a",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 58
  },
  "hsl": {
    "h": 229.091,
    "s": 10.476,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31486,
    "c": 0.01629,
    "h": 275.5
  },
  "luminance": 0.03106
}

Semantic roles & 50–950 ramp

primary

#2F313A

secondary

#6A675B

accent

#A874B3

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#060607

muted

#7A7A7A

Preview Lab

Preview with #2F313A

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

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