#210B31#210B31

#210B31 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.8% C 0.074 H 307.8°. Best body text is #FFFFFF at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#210B31
RGB	rgb(33, 11, 49)
HSL	hsl(275, 63%, 12%)
HSV	hsv(275, 78%, 19%)
CMYK	cmyk(32.7%, 77.6%, 0%, 80.8%)
CIE-LAB	lab(7.09, 20.10, -20.52)
CIE-LCH	lch(7.09, 28.73, 314.41°)
OKLab	oklab(20.75% 0.0452 -0.0582)
OKLCH	oklch(20.75% 0.074 307.8)
XYZ	xyz(1.3011, 0.7844, 2.9880)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#210B31 #1B310B

analogous

#0E0B31 #210B31 #310B2E

triadic

#210B31 #31210B #0B3121

tetradic

#210B31 #310E0B #1B310B #0B2E31

square

#210B31 #310E0B #1B310B #0B2E31

split-complementary

#210B31 #2E310B #0B310E

monochromatic

#110619 #110619 #210B31 #431663 #642195

Accessibility & contrast

On white

18.15

#210B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#210B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B31

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##210B31	#FFFFFF	#000000	##FFFFFF
##210B31	1.00	18.15	1.16	18.15
#FFFFFF	18.15	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001532

Deuteranopia (green-blind)

#051630

Tritanopia (blue-blind)

#1F131C

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #210b31;
/* rgb */ color: rgb(33, 11, 49);
/* oklch */ color: oklch(20.8% 0.074 307.8);

Tailwind

colors: {
  custom: {
    50: '#5e4b69',
    500: '#210b31',
    950: '#000000',
  },
}

SCSS

$custom: #210b31;
$custom-light: #5e4b69;
$custom-dark: #000000;

JSON

{
  "hex": "#210b31",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 49
  },
  "hsl": {
    "h": 274.737,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.2075,
    "c": 0.07371,
    "h": 307.8
  },
  "luminance": 0.00784
}

Semantic roles & 50–950 ramp

primary

#210B31

secondary

#476E2A

accent

#E64187

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#040106

muted

#79777A

Preview Lab

Preview with #210B31

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

Preview Lab → · Contrast checker → · Palette generator →