#210B2E#210B2E

#210B2E is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.5% C 0.070 H 310.7°. Best body text is #FFFFFF at 18.23:1 contrast (WCAG AA passes).

Color values

HEX	#210B2E
RGB	rgb(33, 11, 46)
HSL	hsl(278, 61%, 11%)
HSV	hsv(278, 76%, 18%)
CMYK	cmyk(28.3%, 76.1%, 0%, 82%)
CIE-LAB	lab(6.87, 19.15, -18.65)
CIE-LCH	lch(6.87, 26.73, 315.75°)
OKLab	oklab(20.5% 0.0454 -0.0528)
OKLCH	oklch(20.5% 0.07 310.7)
XYZ	xyz(1.2399, 0.7600, 2.6656)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B2E #182E0B

analogous

#0F0B2E #210B2E #2E0B29

triadic

#210B2E #2E210B #0B2E21

tetradic

#210B2E #2E0F0B #182E0B #0B292E

square

#210B2E #2E0F0B #182E0B #0B292E

split-complementary

#210B2E #292E0B #0B2E0F

monochromatic

#120619 #120619 #210B2E #44175F #682391

Accessibility & contrast

On white

18.23

#210B2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#210B2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B2E

18.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B2E	#FFFFFF	#000000	##FFFFFF
##210B2E	1.00	18.23	1.15	18.23
#FFFFFF	18.23	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01142F

Deuteranopia (green-blind)

#07162D

Tritanopia (blue-blind)

#1F121B

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #210b2e;
/* rgb */ color: rgb(33, 11, 46);
/* oklch */ color: oklch(20.5% 0.070 310.7);

Tailwind

colors: {
  custom: {
    50: '#5e4b67',
    500: '#210b2e',
    950: '#000000',
  },
}

SCSS

$custom: #210b2e;
$custom-light: #5e4b67;
$custom-dark: #000000;

JSON

{
  "hex": "#210b2e",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 46
  },
  "hsl": {
    "h": 277.714,
    "s": 61.404,
    "l": 11.176
  },
  "oklch": {
    "l": 0.20498,
    "c": 0.06965,
    "h": 310.7
  },
  "luminance": 0.0076
}

Semantic roles & 50–950 ramp

primary

#210B2E

secondary

#426A2A

accent

#E5437F

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040106

muted

#79777A

Preview Lab

Preview with #210B2E

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

Preview Lab → · Contrast checker → · Palette generator →