#21138E#21138E

#21138E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.2% C 0.184 H 273.8°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#21138E
RGB	rgb(33, 19, 142)
HSL	hsl(247, 76%, 32%)
HSV	hsv(247, 87%, 56%)
CMYK	cmyk(76.8%, 86.6%, 0%, 44.3%)
CIE-LAB	lab(18.98, 45.41, -63.48)
CIE-LCH	lch(18.98, 78.05, 305.58°)
OKLab	oklab(32.19% 0.0122 -0.1835)
OKLCH	oklch(32.19% 0.184 273.8)
XYZ	xyz(5.7409, 2.7415, 25.8125)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21138E #808E13

analogous

#13438E #21138E #5F138E

triadic

#21138E #8E2113 #138E21

tetradic

#21138E #8E1343 #808E13 #138E5F

square

#21138E #8E1343 #808E13 #138E5F

split-complementary

#21138E #8E5F13 #438E13

monochromatic

#080522 #140C58 #21138E #2E1AC4 #4B37E4

Accessibility & contrast

On white

13.56

#21138E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#21138E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21138E

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21138E	#FFFFFF	#000000	##FFFFFF
##21138E	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #21138e;
/* rgb */ color: rgb(33, 19, 142);
/* oklch */ color: oklch(32.2% 0.184 273.8);

Tailwind

colors: {
  custom: {
    50: '#7156b0',
    500: '#21138e',
    950: '#000000',
  },
}

SCSS

$custom: #21138e;
$custom-light: #7156b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21138e",
  "rgb": {
    "r": 33,
    "g": 19,
    "b": 142
  },
  "hsl": {
    "h": 246.829,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32191,
    "c": 0.18393,
    "h": 273.8
  },
  "luminance": 0.02742
}

Semantic roles & 50–950 ramp

primary

#21138E

secondary

#B3C23B

accent

#F335DD

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #21138E

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

Preview Lab → · Contrast checker → · Palette generator →