#21158C#21158C

#21158C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.180 H 273.9°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#21158C
RGB	rgb(33, 21, 140)
HSL	hsl(246, 74%, 32%)
HSV	hsv(246, 85%, 55%)
CMYK	cmyk(76.4%, 85%, 0%, 45.1%)
CIE-LAB	lab(19.02, 43.91, -62.15)
CIE-LCH	lch(19.02, 76.10, 305.24°)
OKLab	oklab(32.15% 0.0123 -0.1797)
OKLCH	oklch(32.15% 0.18 273.9)
XYZ	xyz(5.6274, 2.7525, 25.0406)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21158C #808C15

analogous

#15458C #21158C #5D158C

triadic

#21158C #8C2115 #158C21

tetradic

#21158C #8C1545 #808C15 #158C5D

square

#21158C #8C1545 #808C15 #158C5D

split-complementary

#21158C #8C5D15 #458C15

monochromatic

#080522 #140D57 #21158C #2E1DC1 #4B3AE1

Accessibility & contrast

On white

13.54

#21158C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#21158C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21158C

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21158C	#FFFFFF	#000000	##FFFFFF
##21158C	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338F

Deuteranopia (green-blind)

#00298A

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #21158c;
/* rgb */ color: rgb(33, 21, 140);
/* oklch */ color: oklch(32.2% 0.180 273.9);

Tailwind

colors: {
  custom: {
    50: '#7057af',
    500: '#21158c',
    950: '#000000',
  },
}

SCSS

$custom: #21158c;
$custom-light: #7057af;
$custom-dark: #000000;

JSON

{
  "hex": "#21158c",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 140
  },
  "hsl": {
    "h": 246.05,
    "s": 73.913,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32151,
    "c": 0.18014,
    "h": 273.9
  },
  "luminance": 0.02753
}

Semantic roles & 50–950 ramp

primary

#21158C

secondary

#B3C03D

accent

#F137DE

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #21158C

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

Preview Lab → · Contrast checker → · Palette generator →