#21179F#21179F

#21179F is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.7% C 0.201 H 271.9°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#21179F
RGB	rgb(33, 23, 159)
HSL	hsl(244, 75%, 36%)
HSV	hsv(244, 86%, 62%)
CMYK	cmyk(79.2%, 85.5%, 0%, 37.6%)
CIE-LAB	lab(21.72, 48.87, -69.41)
CIE-LCH	lch(21.72, 84.89, 305.15°)
OKLab	oklab(34.69% 0.0065 -0.2008)
OKLCH	oklch(34.69% 0.201 271.9)
XYZ	xyz(7.1895, 3.4385, 33.0790)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21179F #959F17

analogous

#17519F #21179F #65179F

triadic

#21179F #9F2117 #179F21

tetradic

#21179F #9F1751 #959F17 #179F65

square

#21179F #9F1751 #959F17 #179F65

split-complementary

#21179F #9F6517 #519F17

monochromatic

#0B0834 #160F6A #21179F #2C1FD4 #574BE5

Accessibility & contrast

On white

12.44

#21179F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#21179F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21179F

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21179F	#FFFFFF	#000000	##FFFFFF
##21179F	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA3

Deuteranopia (green-blind)

#002D9D

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #21179f;
/* rgb */ color: rgb(33, 23, 159);
/* oklch */ color: oklch(34.7% 0.201 271.9);

Tailwind

colors: {
  custom: {
    50: '#755abd',
    500: '#21179f',
    950: '#000000',
  },
}

SCSS

$custom: #21179f;
$custom-light: #755abd;
$custom-dark: #000000;

JSON

{
  "hex": "#21179f",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 159
  },
  "hsl": {
    "h": 244.412,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34692,
    "c": 0.2009,
    "h": 271.9
  },
  "luminance": 0.03439
}

Semantic roles & 50–950 ramp

primary

#21179F

secondary

#BEC74B

accent

#F136E4

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #21179F

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

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