#210B3E#210B3E

#210B3E is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.0% C 0.091 H 298.1°. Best body text is #FFFFFF at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#210B3E
RGB	rgb(33, 11, 62)
HSL	hsl(266, 70%, 14%)
HSV	hsv(266, 82%, 24%)
CMYK	cmyk(46.8%, 82.3%, 0%, 75.7%)
CIE-LAB	lab(8.22, 24.16, -28.13)
CIE-LCH	lch(8.22, 37.08, 310.66°)
OKLab	oklab(21.96% 0.043 -0.0804)
OKLCH	oklch(21.96% 0.091 298.1)
XYZ	xyz(1.6161, 0.9105, 4.6471)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B3E #283E0B

analogous

#0B0F3E #210B3E #3B0B3E

triadic

#210B3E #3E210B #0B3E21

tetradic

#210B3E #3E0B0F #283E0B #0B3E3B

square

#210B3E #3E0B0F #283E0B #0B3E3B

split-complementary

#210B3E #3E3B0B #0F3E0B

monochromatic

#0E051A #0E051A #210B3E #3D1472 #581DA6

Accessibility & contrast

On white

17.77

#210B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#210B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B3E

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B3E	#FFFFFF	#000000	##FFFFFF
##210B3E	1.00	17.77	1.18	17.77
#FFFFFF	17.77	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183F

Deuteranopia (green-blind)

#00173D

Tritanopia (blue-blind)

#1A1823

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #210b3e;
/* rgb */ color: rgb(33, 11, 62);
/* oklch */ color: oklch(22.0% 0.091 298.1);

Tailwind

colors: {
  custom: {
    50: '#604c74',
    500: '#210b3e',
    950: '#000000',
  },
}

SCSS

$custom: #210b3e;
$custom-light: #604c74;
$custom-dark: #000000;

JSON

{
  "hex": "#210b3e",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 62
  },
  "hsl": {
    "h": 265.882,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.21958,
    "c": 0.09116,
    "h": 298.1
  },
  "luminance": 0.0091
}

Semantic roles & 50–950 ramp

primary

#210B3E

secondary

#587B2A

accent

#ED3BA0

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050108

muted

#79777B

Preview Lab

Preview with #210B3E

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

Preview Lab → · Contrast checker → · Palette generator →