#210B4E#210B4E

#210B4E is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.6% C 0.112 H 289.9°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#210B4E
RGB	rgb(33, 11, 78)
HSL	hsl(260, 75%, 17%)
HSV	hsv(260, 86%, 31%)
CMYK	cmyk(57.7%, 85.9%, 0%, 69.4%)
CIE-LAB	lab(9.90, 29.16, -36.63)
CIE-LCH	lch(9.90, 46.82, 308.52°)
OKLab	oklab(23.65% 0.0381 -0.1053)
OKLCH	oklch(23.65% 0.112 289.9)
XYZ	xyz(2.1216, 1.1126, 7.3092)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B4E #384E0B

analogous

#0B174E #210B4E #420B4E

triadic

#210B4E #4E210B #0B4E21

tetradic

#210B4E #4E0B17 #384E0B #0B4E42

square

#210B4E #4E0B17 #384E0B #0B4E42

split-complementary

#210B4E #4E420B #174E0B

monochromatic

#0B041B #0B041B #210B4E #381384 #4E1AB9

Accessibility & contrast

On white

17.18

#210B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#210B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B4E

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B4E	#FFFFFF	#000000	##FFFFFF
##210B4E	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C50

Deuteranopia (green-blind)

#001A4D

Tritanopia (blue-blind)

#101E2C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #210b4e;
/* rgb */ color: rgb(33, 11, 78);
/* oklch */ color: oklch(23.6% 0.112 289.9);

Tailwind

colors: {
  custom: {
    50: '#634d80',
    500: '#210b4e',
    950: '#000000',
  },
}

SCSS

$custom: #210b4e;
$custom-light: #634d80;
$custom-dark: #000000;

JSON

{
  "hex": "#210b4e",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 78
  },
  "hsl": {
    "h": 259.701,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23647,
    "c": 0.11199,
    "h": 289.9
  },
  "luminance": 0.01113
}

Semantic roles & 50–950 ramp

primary

#210B4E

secondary

#6B8A2B

accent

#F236B4

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#06010A

muted

#7A777C

Preview Lab

Preview with #210B4E

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

Preview Lab → · Contrast checker → · Palette generator →