#21429B#21429B

#21429B is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.2% C 0.151 H 265.0°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#21429B
RGB	rgb(33, 66, 155)
HSL	hsl(224, 65%, 37%)
HSV	hsv(224, 79%, 61%)
CMYK	cmyk(78.7%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(30.84, 21.59, -51.97)
CIE-LCH	lch(30.84, 56.27, 292.56°)
OKLab	oklab(41.17% -0.0132 -0.15)
OKLCH	oklch(41.17% 0.151 265)
XYZ	xyz(8.4897, 6.5854, 31.8277)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21429B #9B7A21

analogous

#217F9B #21429B #3D219B

triadic

#21429B #9B2142 #429B21

tetradic

#21429B #9B217F #9B7A21 #219B3D

square

#21429B #9B217F #9B7A21 #219B3D

split-complementary

#21429B #9B3D21 #7F9B21

monochromatic

#0C1736 #162D69 #21429B #2C57CD #5A7DDC

Accessibility & contrast

On white

9.06

#21429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#21429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21429B

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21429B	#FFFFFF	#000000	##FFFFFF
##21429B	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #21429b;
/* rgb */ color: rgb(33, 66, 155);
/* oklch */ color: oklch(41.2% 0.151 265.0);

Tailwind

colors: {
  custom: {
    50: '#7075b9',
    500: '#21429b',
    950: '#000000',
  },
}

SCSS

$custom: #21429b;
$custom-light: #7075b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21429b",
  "rgb": {
    "r": 33,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 223.77,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4117,
    "c": 0.15056,
    "h": 265
  },
  "luminance": 0.06586
}

Semantic roles & 50–950 ramp

primary

#21429B

secondary

#C0A458

accent

#BA40E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #21429B

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

Preview Lab → · Contrast checker → · Palette generator →