#21148A#21148A

#21148A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.178 H 274.2°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#21148A
RGB	rgb(33, 20, 138)
HSL	hsl(247, 75%, 31%)
HSV	hsv(247, 86%, 54%)
CMYK	cmyk(76.1%, 85.5%, 0%, 45.9%)
CIE-LAB	lab(18.62, 43.74, -61.57)
CIE-LCH	lch(18.62, 75.53, 305.39°)
OKLab	oklab(31.8% 0.0131 -0.178)
OKLCH	oklch(31.8% 0.179 274.2)
XYZ	xyz(5.4633, 2.6581, 24.2650)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21148A #7D8A14

analogous

#14428A #21148A #5C148A

triadic

#21148A #8A2114 #148A21

tetradic

#21148A #8A1442 #7D8A14 #148A5C

square

#21148A #8A1442 #7D8A14 #148A5C

split-complementary

#21148A #8A5C14 #428A14

monochromatic

#07051F #140C55 #21148A #2E1CBF #4936E2

Accessibility & contrast

On white

13.71

#21148A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#21148A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21148A

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21148A	#FFFFFF	#000000	##FFFFFF
##21148A	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328D

Deuteranopia (green-blind)

#002888

Tritanopia (blue-blind)

#003A51

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #21148a;
/* rgb */ color: rgb(33, 20, 138);
/* oklch */ color: oklch(31.8% 0.178 274.2);

Tailwind

colors: {
  custom: {
    50: '#7056ad',
    500: '#21148a',
    950: '#000000',
  },
}

SCSS

$custom: #21148a;
$custom-light: #7056ad;
$custom-dark: #000000;

JSON

{
  "hex": "#21148a",
  "rgb": {
    "r": 33,
    "g": 20,
    "b": 138
  },
  "hsl": {
    "h": 246.61,
    "s": 74.684,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31799,
    "c": 0.1785,
    "h": 274.2
  },
  "luminance": 0.02659
}

Semantic roles & 50–950 ramp

primary

#21148A

secondary

#B0BE3C

accent

#F136DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #21148A

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

Preview Lab → · Contrast checker → · Palette generator →