#21428D#21428D

#21428D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.0% C 0.131 H 263.7°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#21428D
RGB	rgb(33, 66, 141)
HSL	hsl(222, 62%, 34%)
HSV	hsv(222, 77%, 55%)
CMYK	cmyk(76.6%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(29.77, 16.05, -45.15)
CIE-LCH	lch(29.77, 47.92, 289.56°)
OKLab	oklab(40.02% -0.0144 -0.1299)
OKLCH	oklch(40.02% 0.131 263.7)
XYZ	xyz(7.3814, 6.1420, 25.9906)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21428D #8D6C21

analogous

#21788D #21428D #36218D

triadic

#21428D #8D2142 #428D21

tetradic

#21428D #8D2178 #8D6C21 #218D36

square

#21428D #8D2178 #8D6C21 #218D36

split-complementary

#21428D #8D3621 #788D21

monochromatic

#0A142A #152B5B #21428D #2D59BF #527AD6

Accessibility & contrast

On white

9.42

#21428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#21428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21428D

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21428D	#FFFFFF	#000000	##FFFFFF
##21428D	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104B90

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #21428d;
/* rgb */ color: rgb(33, 66, 141);
/* oklch */ color: oklch(40.0% 0.131 263.7);

Tailwind

colors: {
  custom: {
    50: '#6d75af',
    500: '#21428d',
    950: '#000000',
  },
}

SCSS

$custom: #21428d;
$custom-light: #6d75af;
$custom-dark: #000000;

JSON

{
  "hex": "#21428d",
  "rgb": {
    "r": 33,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 221.667,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40016,
    "c": 0.13074,
    "h": 263.7
  },
  "luminance": 0.06143
}

Semantic roles & 50–950 ramp

primary

#21428D

secondary

#BA9A50

accent

#B343E5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21428D

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

Preview Lab → · Contrast checker → · Palette generator →