#231B2D#231B2D

#231B2D is a very dark, muted violet. Relative luminance 0.013; OKLCH L 24.0% C 0.035 H 304.2°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#231B2D
RGB	rgb(35, 27, 45)
HSL	hsl(267, 25%, 14%)
HSV	hsv(267, 40%, 18%)
CMYK	cmyk(22.2%, 40%, 0%, 82.4%)
CIE-LAB	lab(11.49, 8.54, -10.62)
CIE-LCH	lch(11.49, 13.63, 308.83°)
OKLab	oklab(24.03% 0.0199 -0.0293)
OKLCH	oklch(24.03% 0.035 304.2)
XYZ	xyz(1.5586, 1.3307, 2.6568)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231B2D #252D1B

analogous

#1B1C2D #231B2D #2C1B2D

triadic

#231B2D #2D231B #1B2D23

tetradic

#231B2D #2D1B1C #252D1B #1B2D2C

square

#231B2D #2D1B1C #252D1B #1B2D2C

split-complementary

#231B2D #2D2C1B #1C2D1B

monochromatic

#0F0B13 #0F0B13 #231B2D #413253 #5F497A

Accessibility & contrast

On white

16.59

#231B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#231B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231B2D

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231B2D	#FFFFFF	#000000	##FFFFFF
##231B2D	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171E2E

Deuteranopia (green-blind)

#191E2C

Tritanopia (blue-blind)

#211E22

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #231b2d;
/* rgb */ color: rgb(35, 27, 45);
/* oklch */ color: oklch(24.0% 0.035 304.2);

Tailwind

colors: {
  custom: {
    50: '#5e5766',
    500: '#231b2d',
    950: '#000000',
  },
}

SCSS

$custom: #231b2d;
$custom-light: #5e5766;
$custom-dark: #000000;

JSON

{
  "hex": "#231b2d",
  "rgb": {
    "r": 35,
    "g": 27,
    "b": 45
  },
  "hsl": {
    "h": 266.667,
    "s": 25,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24033,
    "c": 0.03541,
    "h": 304.2
  },
  "luminance": 0.01331
}

Semantic roles & 50–950 ramp

primary

#231B2D

secondary

#536044

accent

#C16699

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#040305

muted

#79787A

Preview Lab

Preview with #231B2D

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

Preview Lab → · Contrast checker → · Palette generator →