#21137C#21137C

#21137C is a dark, vivid blue. Relative luminance 0.022; OKLCH L 30.0% C 0.162 H 276.3°. Best body text is #FFFFFF at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#21137C
RGB	rgb(33, 19, 124)
HSL	hsl(248, 73%, 28%)
HSV	hsv(248, 85%, 49%)
CMYK	cmyk(73.4%, 84.7%, 0%, 51.4%)
CIE-LAB	lab(16.72, 39.81, -55.86)
CIE-LCH	lch(16.72, 68.60, 305.48°)
OKLab	oklab(29.99% 0.0177 -0.1614)
OKLCH	oklch(29.99% 0.162 276.3)
XYZ	xyz(4.4970, 2.2439, 19.2610)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21137C #6E7C13

analogous

#13397C #21137C #55137C

triadic

#21137C #7C2113 #137C21

tetradic

#21137C #7C1339 #6E7C13 #137C55

square

#21137C #7C1339 #6E7C13 #137C55

split-complementary

#21137C #7C5513 #397C13

monochromatic

#07041B #130B47 #21137C #2F1BB1 #432BDF

Accessibility & contrast

On white

14.49

#21137C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#21137C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21137C

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21137C	#FFFFFF	#000000	##FFFFFF
##21137C	1.00	14.49	1.45	14.49
#FFFFFF	14.49	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7F

Deuteranopia (green-blind)

#00257A

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #21137c;
/* rgb */ color: rgb(33, 19, 124);
/* oklch */ color: oklch(30.0% 0.162 276.3);

Tailwind

colors: {
  custom: {
    50: '#6d55a3',
    500: '#21137c',
    950: '#000000',
  },
}

SCSS

$custom: #21137c;
$custom-light: #6d55a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21137c",
  "rgb": {
    "r": 33,
    "g": 19,
    "b": 124
  },
  "hsl": {
    "h": 248,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29986,
    "c": 0.16242,
    "h": 276.3
  },
  "luminance": 0.02244
}

Semantic roles & 50–950 ramp

primary

#21137C

secondary

#A2B239

accent

#F038D8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21137C

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

Preview Lab → · Contrast checker → · Palette generator →