#2F313D#2F313D

#2F313D is a dark, muted blue. Relative luminance 0.031; OKLCH L 31.6% C 0.022 H 277.7°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F313D
RGB	rgb(47, 49, 61)
HSL	hsl(231, 13%, 21%)
HSV	hsv(231, 23%, 24%)
CMYK	cmyk(23%, 19.7%, 0%, 76.1%)
CIE-LAB	lab(20.59, 2.26, -7.84)
CIE-LCH	lch(20.59, 8.16, 286.11°)
OKLab	oklab(31.62% 0.0029 -0.0214)
OKLCH	oklch(31.62% 0.022 277.7)
XYZ	xyz(3.1127, 3.1378, 4.8556)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F313D #3D3B2F

analogous

#2F383D #2F313D #342F3D

triadic

#2F313D #3D2F31 #313D2F

tetradic

#2F313D #3D2F38 #3D3B2F #2F3D34

square

#2F313D #3D2F38 #3D3B2F #2F3D34

split-complementary

#2F313D #3D342F #383D2F

monochromatic

#0D0E11 #14151A #2F313D #4A4D60 #646982

Accessibility & contrast

On white

12.90

#2F313D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2F313D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F313D

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F313D	#FFFFFF	#000000	##FFFFFF
##2F313D	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323E

Deuteranopia (green-blind)

#2D313D

Tritanopia (blue-blind)

#2C3335

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2f313d;
/* rgb */ color: rgb(47, 49, 61);
/* oklch */ color: oklch(31.6% 0.022 277.7);

Tailwind

colors: {
  custom: {
    50: '#676972',
    500: '#2f313d',
    950: '#000000',
  },
}

SCSS

$custom: #2f313d;
$custom-light: #676972;
$custom-dark: #000000;

JSON

{
  "hex": "#2f313d",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 231.429,
    "s": 12.963,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31623,
    "c": 0.02157,
    "h": 277.7
  },
  "luminance": 0.03138
}

Semantic roles & 50–950 ramp

primary

#2F313D

secondary

#6D6A5B

accent

#AC72B6

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#060608

muted

#7A7A7B

Preview Lab

Preview with #2F313D

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

Preview Lab → · Contrast checker → · Palette generator →