#210B3C#210B3C

#210B3C is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.8% C 0.088 H 299.4°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#210B3C
RGB	rgb(33, 11, 60)
HSL	hsl(267, 69%, 14%)
HSV	hsv(267, 82%, 24%)
CMYK	cmyk(45%, 81.7%, 0%, 76.5%)
CIE-LAB	lab(8.03, 23.55, -27.01)
CIE-LCH	lch(8.03, 35.84, 311.09°)
OKLab	oklab(21.76% 0.0435 -0.0771)
OKLCH	oklch(21.76% 0.089 299.4)
XYZ	xyz(1.5623, 0.8889, 4.3634)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B3C #263C0B

analogous

#0B0E3C #210B3C #3A0B3C

triadic

#210B3C #3C210B #0B3C21

tetradic

#210B3C #3C0B0E #263C0B #0B3C3A

square

#210B3C #3C0B0E #263C0B #0B3C3A

split-complementary

#210B3C #3C3A0B #0E3C0B

monochromatic

#0E051A #0E051A #210B3C #3D1470 #5A1EA3

Accessibility & contrast

On white

17.83

#210B3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#210B3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B3C

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B3C	#FFFFFF	#000000	##FFFFFF
##210B3C	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183D

Deuteranopia (green-blind)

#00173B

Tritanopia (blue-blind)

#1B1722

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #210b3c;
/* rgb */ color: rgb(33, 11, 60);
/* oklch */ color: oklch(21.8% 0.088 299.4);

Tailwind

colors: {
  custom: {
    50: '#5f4c72',
    500: '#210b3c',
    950: '#000000',
  },
}

SCSS

$custom: #210b3c;
$custom-light: #5f4c72;
$custom-dark: #000000;

JSON

{
  "hex": "#210b3c",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 60
  },
  "hsl": {
    "h": 266.939,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.21762,
    "c": 0.0885,
    "h": 299.4
  },
  "luminance": 0.00889
}

Semantic roles & 50–950 ramp

primary

#210B3C

secondary

#55792A

accent

#EC3C9D

background

#F5F4F6

surface

#EAE7EC

border

#C6C3C7

text

#050108

muted

#79777B

Preview Lab

Preview with #210B3C

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

Preview Lab → · Contrast checker → · Palette generator →