#21033B#21033B

#21033B is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.5% C 0.099 H 302.8°. Best body text is #FFFFFF at 18.41:1 contrast (WCAG AA passes).

Color values

HEX	#21033B
RGB	rgb(33, 3, 59)
HSL	hsl(272, 90%, 12%)
HSV	hsv(272, 95%, 23%)
CMYK	cmyk(44.1%, 94.9%, 0%, 76.9%)
CIE-LAB	lab(6.36, 27.59, -29.00)
CIE-LCH	lch(6.36, 40.03, 313.57°)
OKLab	oklab(20.47% 0.0538 -0.0835)
OKLCH	oklch(20.47% 0.099 302.8)
XYZ	xyz(1.4490, 0.7042, 4.1964)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21033B #1D3B03

analogous

#05033B #21033B #3B0339

triadic

#21033B #3B2103 #033B21

tetradic

#21033B #3B0503 #1D3B03 #03393B

square

#21033B #3B0503 #1D3B03 #03393B

split-complementary

#21033B #393B03 #033B05

monochromatic

#10011D #10011D #21033B #420675 #6209AF

Accessibility & contrast

On white

18.41

#21033B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#21033B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21033B

18.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21033B	#FFFFFF	#000000	##FFFFFF
##21033B	1.00	18.41	1.14	18.41
#FFFFFF	18.41	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143C

Deuteranopia (green-blind)

#00143A

Tritanopia (blue-blind)

#1B121F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #21033b;
/* rgb */ color: rgb(33, 3, 59);
/* oklch */ color: oklch(20.5% 0.099 302.8);

Tailwind

colors: {
  custom: {
    50: '#604771',
    500: '#21033b',
    950: '#000000',
  },
}

SCSS

$custom: #21033b;
$custom-light: #604771;
$custom-dark: #000000;

JSON

{
  "hex": "#21033b",
  "rgb": {
    "r": 33,
    "g": 3,
    "b": 59
  },
  "hsl": {
    "h": 272.143,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.20475,
    "c": 0.09935,
    "h": 302.8
  },
  "luminance": 0.00704
}

Semantic roles & 50–950 ramp

primary

#21033B

secondary

#497E1C

accent

#FF298C

background

#F5F4F6

surface

#EAE6EC

border

#C6C2C7

text

#050008

muted

#79777B

Preview Lab

Preview with #21033B

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

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