#21428E#21428E

#21428E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.132 H 263.8°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#21428E
RGB	rgb(33, 66, 142)
HSL	hsl(222, 62%, 34%)
HSV	hsv(222, 77%, 56%)
CMYK	cmyk(76.8%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(29.84, 16.45, -45.65)
CIE-LCH	lch(29.84, 48.52, 289.81°)
OKLab	oklab(40.1% -0.0143 -0.1314)
OKLCH	oklch(40.1% 0.132 263.8)
XYZ	xyz(7.4562, 6.1719, 26.3843)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21428E #8E6D21

analogous

#21798E #21428E #37218E

triadic

#21428E #8E2142 #428E21

tetradic

#21428E #8E2179 #8E6D21 #218E37

square

#21428E #8E2179 #8E6D21 #218E37

split-complementary

#21428E #8E3721 #798E21

monochromatic

#0A142B #152B5C #21428E #2D59C0 #527BD7

Accessibility & contrast

On white

9.40

#21428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#21428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21428E

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21428E	#FFFFFF	#000000	##FFFFFF
##21428E	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4C91

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #21428e;
/* rgb */ color: rgb(33, 66, 142);
/* oklch */ color: oklch(40.1% 0.132 263.8);

Tailwind

colors: {
  custom: {
    50: '#6d75b0',
    500: '#21428e',
    950: '#000000',
  },
}

SCSS

$custom: #21428e;
$custom-light: #6d75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21428e",
  "rgb": {
    "r": 33,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 221.835,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40096,
    "c": 0.13218,
    "h": 263.8
  },
  "luminance": 0.06173
}

Semantic roles & 50–950 ramp

primary

#21428E

secondary

#BA9A50

accent

#B442E5

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21428E

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

Preview Lab → · Contrast checker → · Palette generator →