#21147F#21147F

#21147F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.165 H 275.7°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#21147F
RGB	rgb(33, 20, 127)
HSL	hsl(247, 73%, 29%)
HSV	hsv(247, 84%, 50%)
CMYK	cmyk(74%, 84.3%, 0%, 50.2%)
CIE-LAB	lab(17.25, 40.28, -56.89)
CIE-LCH	lch(17.25, 69.71, 305.30°)
OKLab	oklab(30.46% 0.0164 -0.1645)
OKLCH	oklch(30.46% 0.165 275.7)
XYZ	xyz(4.7069, 2.3555, 20.2812)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21147F #727F14

analogous

#143D7F #21147F #57147F

triadic

#21147F #7F2114 #147F21

tetradic

#21147F #7F143D #727F14 #147F57

square

#21147F #7F143D #727F14 #147F57

split-complementary

#21147F #7F5714 #3D7F14

monochromatic

#07041A #130C4A #21147F #2F1CB4 #442FDE

Accessibility & contrast

On white

14.27

#21147F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#21147F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21147F

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21147F	#FFFFFF	#000000	##FFFFFF
##21147F	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F82

Deuteranopia (green-blind)

#00267D

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #21147f;
/* rgb */ color: rgb(33, 20, 127);
/* oklch */ color: oklch(30.5% 0.165 275.7);

Tailwind

colors: {
  custom: {
    50: '#6d55a5',
    500: '#21147f',
    950: '#000000',
  },
}

SCSS

$custom: #21147f;
$custom-light: #6d55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21147f",
  "rgb": {
    "r": 33,
    "g": 20,
    "b": 127
  },
  "hsl": {
    "h": 247.29,
    "s": 72.789,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30462,
    "c": 0.16527,
    "h": 275.7
  },
  "luminance": 0.02356
}

Semantic roles & 50–950 ramp

primary

#21147F

secondary

#A5B43B

accent

#EF38D9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21147F

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

Preview Lab → · Contrast checker → · Palette generator →