#21173D#21173D

#21173D is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.0% C 0.070 H 292.5°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#21173D
RGB	rgb(33, 23, 61)
HSL	hsl(256, 45%, 16%)
HSV	hsv(256, 62%, 24%)
CMYK	cmyk(45.9%, 62.3%, 0%, 76.1%)
CIE-LAB	lab(11.09, 15.93, -22.79)
CIE-LCH	lch(11.09, 27.80, 304.95°)
OKLab	oklab(24.01% 0.0267 -0.0647)
OKLCH	oklch(24.01% 0.07 292.5)
XYZ	xyz(1.7757, 1.2730, 4.5661)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21173D #333D17

analogous

#17203D #21173D #34173D

triadic

#21173D #3D2117 #173D21

tetradic

#21173D #3D1720 #333D17 #173D34

square

#21173D #3D1720 #333D17 #173D34

split-complementary

#21173D #3D3417 #203D17

monochromatic

#0C0816 #0C0816 #21173D #392869 #513996

Accessibility & contrast

On white

16.74

#21173D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#21173D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21173D

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21173D	#FFFFFF	#000000	##FFFFFF
##21173D	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061E3E

Deuteranopia (green-blind)

#081D3C

Tritanopia (blue-blind)

#1A1F27

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #21173d;
/* rgb */ color: rgb(33, 23, 61);
/* oklch */ color: oklch(24.0% 0.070 292.5);

Tailwind

colors: {
  custom: {
    50: '#5e5473',
    500: '#21173d',
    950: '#000000',
  },
}

SCSS

$custom: #21173d;
$custom-light: #5e5473;
$custom-dark: #000000;

JSON

{
  "hex": "#21173d",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 61
  },
  "hsl": {
    "h": 255.789,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.24009,
    "c": 0.07001,
    "h": 292.5
  },
  "luminance": 0.01273
}

Semantic roles & 50–950 ramp

primary

#21173D

secondary

#65743C

accent

#D553B3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #21173D

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

Preview Lab → · Contrast checker → · Palette generator →