#21158A#21158A

#21158A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.178 H 274.1°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#21158A
RGB	rgb(33, 21, 138)
HSL	hsl(246, 74%, 31%)
HSV	hsv(246, 85%, 54%)
CMYK	cmyk(76.1%, 84.8%, 0%, 45.9%)
CIE-LAB	lab(18.77, 43.28, -61.31)
CIE-LCH	lch(18.77, 75.05, 305.22°)
OKLab	oklab(31.91% 0.0128 -0.1773)
OKLCH	oklch(31.91% 0.178 274.1)
XYZ	xyz(5.4813, 2.6941, 24.2710)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21158A #7E8A15

analogous

#15438A #21158A #5B158A

triadic

#21158A #8A2115 #158A21

tetradic

#21158A #8A1543 #7E8A15 #158A5B

square

#21158A #8A1543 #7E8A15 #158A5B

split-complementary

#21158A #8A5B15 #438A15

monochromatic

#080520 #140D55 #21158A #2E1DBF #4A39E1

Accessibility & contrast

On white

13.65

#21158A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#21158A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21158A

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21158A	#FFFFFF	#000000	##FFFFFF
##21158A	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338D

Deuteranopia (green-blind)

#002888

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #21158a;
/* rgb */ color: rgb(33, 21, 138);
/* oklch */ color: oklch(31.9% 0.178 274.1);

Tailwind

colors: {
  custom: {
    50: '#7057ad',
    500: '#21158a',
    950: '#000000',
  },
}

SCSS

$custom: #21158a;
$custom-light: #7057ad;
$custom-dark: #000000;

JSON

{
  "hex": "#21158a",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 138
  },
  "hsl": {
    "h": 246.154,
    "s": 73.585,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31907,
    "c": 0.17775,
    "h": 274.1
  },
  "luminance": 0.02695
}

Semantic roles & 50–950 ramp

primary

#21158A

secondary

#B1BE3D

accent

#F038DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #21158A

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

Preview Lab → · Contrast checker → · Palette generator →