#21299E#21299E

#21299E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.9% C 0.184 H 270.3°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#21299E
RGB	rgb(33, 41, 158)
HSL	hsl(236, 65%, 37%)
HSV	hsv(236, 79%, 62%)
CMYK	cmyk(79.1%, 74.1%, 0%, 38%)
CIE-LAB	lab(24.88, 39.10, -63.57)
CIE-LCH	lch(24.88, 74.63, 301.60°)
OKLab	oklab(36.87% 0.0011 -0.1841)
OKLCH	oklch(36.87% 0.184 270.3)
XYZ	xyz(7.5896, 4.3770, 32.7860)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21299E #9E9621

analogous

#21689E #21299E #58219E

triadic

#21299E #9E2129 #299E21

tetradic

#21299E #9E2168 #9E9621 #219E58

square

#21299E #9E2168 #9E9621 #219E58

split-complementary

#21299E #9E5821 #689E21

monochromatic

#0C0F39 #161C6B #21299E #2C36D1 #5C65DD

Accessibility & contrast

On white

11.20

#21299E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#21299E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21299E

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21299E	#FFFFFF	#000000	##FFFFFF
##21299E	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #21299e;
/* rgb */ color: rgb(33, 41, 158);
/* oklch */ color: oklch(36.9% 0.184 270.3);

Tailwind

colors: {
  custom: {
    50: '#7364bc',
    500: '#21299e',
    950: '#000000',
  },
}

SCSS

$custom: #21299e;
$custom-light: #7364bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21299e",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 158
  },
  "hsl": {
    "h": 236.16,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36874,
    "c": 0.1841,
    "h": 270.3
  },
  "luminance": 0.04378
}

Semantic roles & 50–950 ramp

primary

#21299E

secondary

#C1BB59

accent

#DE3FE8

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #21299E

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

Preview Lab → · Contrast checker → · Palette generator →