#21147E#21147E

#21147E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.3% C 0.164 H 275.8°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#21147E
RGB	rgb(33, 20, 126)
HSL	hsl(247, 73%, 29%)
HSV	hsv(247, 84%, 49%)
CMYK	cmyk(73.8%, 84.1%, 0%, 50.6%)
CIE-LAB	lab(17.13, 39.96, -56.45)
CIE-LCH	lch(17.13, 69.17, 305.29°)
OKLab	oklab(30.34% 0.0167 -0.1632)
OKLCH	oklch(30.34% 0.164 275.8)
XYZ	xyz(4.6420, 2.3296, 19.9396)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21147E #717E14

analogous

#143C7E #21147E #56147E

triadic

#21147E #7E2114 #147E21

tetradic

#21147E #7E143C #717E14 #147E56

square

#21147E #7E143C #717E14 #147E56

split-complementary

#21147E #7E5614 #3C7E14

monochromatic

#07041A #130C49 #21147E #2F1CB3 #442EDE

Accessibility & contrast

On white

14.32

#21147E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#21147E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21147E

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21147E	#FFFFFF	#000000	##FFFFFF
##21147E	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F81

Deuteranopia (green-blind)

#00257C

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #21147e;
/* rgb */ color: rgb(33, 20, 126);
/* oklch */ color: oklch(30.3% 0.164 275.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21147e",
  "rgb": {
    "r": 33,
    "g": 20,
    "b": 126
  },
  "hsl": {
    "h": 247.358,
    "s": 72.603,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30341,
    "c": 0.16404,
    "h": 275.8
  },
  "luminance": 0.0233
}

Semantic roles & 50–950 ramp

primary

#21147E

secondary

#A5B33A

accent

#EF38D9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21147E

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

Preview Lab → · Contrast checker → · Palette generator →