#210B2A#210B2A

#210B2A is a very dark, moderate purple. Relative luminance 0.007; OKLCH L 20.2% C 0.064 H 314.9°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#210B2A
RGB	rgb(33, 11, 42)
HSL	hsl(283, 58%, 10%)
HSV	hsv(283, 74%, 16%)
CMYK	cmyk(21.4%, 73.8%, 0%, 83.5%)
CIE-LAB	lab(6.59, 17.89, -16.09)
CIE-LCH	lch(6.59, 24.06, 318.03°)
OKLab	oklab(20.18% 0.0454 -0.0455)
OKLCH	oklch(20.18% 0.064 314.9)
XYZ	xyz(1.1647, 0.7299, 2.2696)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B2A #142A0B

analogous

#110B2A #210B2A #2A0B23

triadic

#210B2A #2A210B #0B2A21

tetradic

#210B2A #2A110B #142A0B #0B232A

square

#210B2A #2A110B #142A0B #0B232A

split-complementary

#210B2A #232A0B #0B2A11

monochromatic

#130618 #130618 #210B2A #47185A #6D248B

Accessibility & contrast

On white

18.32

#210B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#210B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B2A

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B2A	#FFFFFF	#000000	##FFFFFF
##210B2A	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04132B

Deuteranopia (green-blind)

#0B1529

Tritanopia (blue-blind)

#201018

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #210b2a;
/* rgb */ color: rgb(33, 11, 42);
/* oklch */ color: oklch(20.2% 0.064 314.9);

Tailwind

colors: {
  custom: {
    50: '#5d4b63',
    500: '#210b2a',
    950: '#000000',
  },
}

SCSS

$custom: #210b2a;
$custom-light: #5d4b63;
$custom-dark: #000000;

JSON

{
  "hex": "#210b2a",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 42
  },
  "hsl": {
    "h": 282.581,
    "s": 58.491,
    "l": 10.392
  },
  "oklch": {
    "l": 0.20178,
    "c": 0.06428,
    "h": 314.9
  },
  "luminance": 0.0073
}

Semantic roles & 50–950 ramp

primary

#210B2A

secondary

#3C662B

accent

#E24673

background

#F5F4F5

surface

#E9E7EA

border

#C5C3C6

text

#040105

muted

#797779

Preview Lab

Preview with #210B2A

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

Preview Lab → · Contrast checker → · Palette generator →