#2F313B#2F313B

#2F313B is a dark, near-neutral blue. Relative luminance 0.031; OKLCH L 31.5% C 0.018 H 276.4°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F313B
RGB	rgb(47, 49, 59)
HSL	hsl(230, 11%, 21%)
HSV	hsv(230, 20%, 23%)
CMYK	cmyk(20.3%, 16.9%, 0%, 76.9%)
CIE-LAB	lab(20.51, 1.71, -6.60)
CIE-LCH	lch(20.51, 6.82, 284.50°)
OKLab	oklab(31.53% 0.002 -0.0179)
OKLCH	oklch(31.53% 0.018 276.4)
XYZ	xyz(3.0598, 3.1167, 4.5772)
Luminance	0.0312 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F313B #3B392F

analogous

#2F373B #2F313B #332F3B

triadic

#2F313B #3B2F31 #313B2F

tetradic

#2F313B #3B2F37 #3B392F #2F3B33

square

#2F313B #3B2F37 #3B392F #2F3B33

split-complementary

#2F313B #3B332F #373B2F

monochromatic

#0E0E11 #141519 #2F313B #4A4D5D #656A7F

Accessibility & contrast

On white

12.94

#2F313B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2F313B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F313B

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F313B	#FFFFFF	#000000	##FFFFFF
##2F313B	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323B

Deuteranopia (green-blind)

#2E313B

Tritanopia (blue-blind)

#2C3334

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2f313b;
/* rgb */ color: rgb(47, 49, 59);
/* oklch */ color: oklch(31.5% 0.018 276.4);

Tailwind

colors: {
  custom: {
    50: '#676970',
    500: '#2f313b',
    950: '#000000',
  },
}

SCSS

$custom: #2f313b;
$custom-light: #676970;
$custom-dark: #000000;

JSON

{
  "hex": "#2f313b",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 230,
    "s": 11.321,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31531,
    "c": 0.01804,
    "h": 276.4
  },
  "luminance": 0.03117
}

Semantic roles & 50–950 ramp

primary

#2F313B

secondary

#6B685B

accent

#A974B4

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#060607

muted

#7A7A7A

Preview Lab

Preview with #2F313B

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

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