#210B37#210B37

#210B37 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.3% C 0.082 H 302.9°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#210B37
RGB	rgb(33, 11, 55)
HSL	hsl(270, 67%, 13%)
HSV	hsv(270, 80%, 22%)
CMYK	cmyk(40%, 80%, 0%, 78.4%)
CIE-LAB	lab(7.57, 22.00, -24.13)
CIE-LCH	lch(7.57, 32.66, 312.35°)
OKLab	oklab(21.29% 0.0444 -0.0687)
OKLCH	oklch(21.29% 0.082 302.9)
XYZ	xyz(1.4363, 0.8385, 3.6999)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B37 #21370B

analogous

#0B0B37 #210B37 #370B37

triadic

#210B37 #37210B #0B3721

tetradic

#210B37 #370B0B #21370B #0B3737

square

#210B37 #370B0B #21370B #0B3737

split-complementary

#210B37 #37370B #0B370B

monochromatic

#0F051A #0F051A #210B37 #40156A #5E1F9D

Accessibility & contrast

On white

17.98

#210B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#210B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B37

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B37	#FFFFFF	#000000	##FFFFFF
##210B37	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001638

Deuteranopia (green-blind)

#001736

Tritanopia (blue-blind)

#1D151F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #210b37;
/* rgb */ color: rgb(33, 11, 55);
/* oklch */ color: oklch(21.3% 0.082 302.9);

Tailwind

colors: {
  custom: {
    50: '#5f4c6e',
    500: '#210b37',
    950: '#000000',
  },
}

SCSS

$custom: #210b37;
$custom-light: #5f4c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#210b37",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 55
  },
  "hsl": {
    "h": 270,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.21286,
    "c": 0.0818,
    "h": 302.9
  },
  "luminance": 0.00839
}

Semantic roles & 50–950 ramp

primary

#210B37

secondary

#4F742A

accent

#EA3E94

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#050107

muted

#79777A

Preview Lab

Preview with #210B37

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

Preview Lab → · Contrast checker → · Palette generator →