#210B3D#210B3D

#210B3D is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.9% C 0.090 H 298.8°. Best body text is #FFFFFF at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#210B3D
RGB	rgb(33, 11, 61)
HSL	hsl(266, 69%, 14%)
HSV	hsv(266, 82%, 24%)
CMYK	cmyk(45.9%, 82%, 0%, 76.1%)
CIE-LAB	lab(8.13, 23.86, -27.57)
CIE-LCH	lch(8.13, 36.46, 310.87°)
OKLab	oklab(21.86% 0.0432 -0.0787)
OKLCH	oklch(21.86% 0.09 298.8)
XYZ	xyz(1.5890, 0.8996, 4.5039)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B3D #273D0B

analogous

#0B0E3D #210B3D #3A0B3D

triadic

#210B3D #3D210B #0B3D21

tetradic

#210B3D #3D0B0E #273D0B #0B3D3A

square

#210B3D #3D0B0E #273D0B #0B3D3A

split-complementary

#210B3D #3D3A0B #0E3D0B

monochromatic

#0E051A #0E051A #210B3D #3D1471 #591EA5

Accessibility & contrast

On white

17.80

#210B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#210B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B3D

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B3D	#FFFFFF	#000000	##FFFFFF
##210B3D	1.00	17.80	1.18	17.80
#FFFFFF	17.80	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183E

Deuteranopia (green-blind)

#00173C

Tritanopia (blue-blind)

#1A1723

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #210b3d;
/* rgb */ color: rgb(33, 11, 61);
/* oklch */ color: oklch(21.9% 0.090 298.8);

Tailwind

colors: {
  custom: {
    50: '#604c73',
    500: '#210b3d',
    950: '#000000',
  },
}

SCSS

$custom: #210b3d;
$custom-light: #604c73;
$custom-dark: #000000;

JSON

{
  "hex": "#210b3d",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 61
  },
  "hsl": {
    "h": 266.4,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2186,
    "c": 0.08983,
    "h": 298.8
  },
  "luminance": 0.009
}

Semantic roles & 50–950 ramp

primary

#210B3D

secondary

#577A2A

accent

#EC3C9F

background

#F5F4F7

surface

#EAE7ED

border

#C6C3C8

text

#050108

muted

#79777B

Preview Lab

Preview with #210B3D

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

Preview Lab → · Contrast checker → · Palette generator →