#210B4A#210B4A

#210B4A is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.2% C 0.107 H 291.7°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#210B4A
RGB	rgb(33, 11, 74)
HSL	hsl(261, 74%, 17%)
HSV	hsv(261, 85%, 29%)
CMYK	cmyk(55.4%, 85.1%, 0%, 71%)
CIE-LAB	lab(9.46, 27.91, -34.58)
CIE-LCH	lch(9.46, 44.44, 308.90°)
OKLab	oklab(23.21% 0.0395 -0.0993)
OKLCH	oklch(23.21% 0.107 291.7)
XYZ	xyz(1.9826, 1.0570, 6.5768)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B4A #344A0B

analogous

#0B154A #210B4A #410B4A

triadic

#210B4A #4A210B #0B4A21

tetradic

#210B4A #4A0B15 #344A0B #0B4A41

square

#210B4A #4A0B15 #344A0B #0B4A41

split-complementary

#210B4A #4A410B #154A0B

monochromatic

#0C041B #0C041B #210B4A #39137F #511BB5

Accessibility & contrast

On white

17.34

#210B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#210B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B4A

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B4A	#FFFFFF	#000000	##FFFFFF
##210B4A	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4C

Deuteranopia (green-blind)

#001949

Tritanopia (blue-blind)

#131D2A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #210b4a;
/* rgb */ color: rgb(33, 11, 74);
/* oklch */ color: oklch(23.2% 0.107 291.7);

Tailwind

colors: {
  custom: {
    50: '#624d7d',
    500: '#210b4a',
    950: '#000000',
  },
}

SCSS

$custom: #210b4a;
$custom-light: #624d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#210b4a",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 260.952,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.23208,
    "c": 0.10686,
    "h": 291.7
  },
  "luminance": 0.01057
}

Semantic roles & 50–950 ramp

primary

#210B4A

secondary

#66862B

accent

#F137B0

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05010A

muted

#7A777C

Preview Lab

Preview with #210B4A

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

Preview Lab → · Contrast checker → · Palette generator →