#21189B#21189B

#21189B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.3% C 0.196 H 272.1°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#21189B
RGB	rgb(33, 24, 155)
HSL	hsl(244, 73%, 35%)
HSV	hsv(244, 85%, 61%)
CMYK	cmyk(78.7%, 84.5%, 0%, 39.2%)
CIE-LAB	lab(21.37, 47.20, -67.55)
CIE-LCH	lch(21.37, 82.41, 304.94°)
OKLab	oklab(34.3% 0.0073 -0.1954)
OKLCH	oklch(34.3% 0.196 272.1)
XYZ	xyz(6.8682, 3.3424, 31.2872)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21189B #929B18

analogous

#18519B #21189B #62189B

triadic

#21189B #9B2118 #189B21

tetradic

#21189B #9B1851 #929B18 #189B62

square

#21189B #9B1851 #929B18 #189B62

split-complementary

#21189B #9B6218 #519B18

monochromatic

#0A0831 #161066 #21189B #2C20D0 #554AE3

Accessibility & contrast

On white

12.59

#21189B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#21189B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21189B

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21189B	#FFFFFF	#000000	##FFFFFF
##21189B	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00399F

Deuteranopia (green-blind)

#002D99

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #21189b;
/* rgb */ color: rgb(33, 24, 155);
/* oklch */ color: oklch(34.3% 0.196 272.1);

Tailwind

colors: {
  custom: {
    50: '#745aba',
    500: '#21189b',
    950: '#000000',
  },
}

SCSS

$custom: #21189b;
$custom-light: #745aba;
$custom-dark: #000000;

JSON

{
  "hex": "#21189b",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 155
  },
  "hsl": {
    "h": 244.122,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34304,
    "c": 0.19557,
    "h": 272.1
  },
  "luminance": 0.03343
}

Semantic roles & 50–950 ramp

primary

#21189B

secondary

#BCC54A

accent

#F038E3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #21189B

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

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