#21408D#21408D

#21408D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.133 H 264.5°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#21408D
RGB	rgb(33, 64, 141)
HSL	hsl(223, 62%, 34%)
HSV	hsv(223, 77%, 55%)
CMYK	cmyk(76.6%, 54.6%, 0%, 44.7%)
CIE-LAB	lab(29.19, 17.42, -46.09)
CIE-LCH	lch(29.19, 49.27, 290.71°)
OKLab	oklab(39.58% -0.0128 -0.1327)
OKLCH	oklch(39.58% 0.133 264.5)
XYZ	xyz(7.2666, 5.9124, 25.9524)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21408D #8D6E21

analogous

#21768D #21408D #38218D

triadic

#21408D #8D2140 #408D21

tetradic

#21408D #8D2176 #8D6E21 #218D38

square

#21408D #8D2176 #8D6E21 #218D38

split-complementary

#21408D #8D3821 #768D21

monochromatic

#0A132A #15295B #21408D #2D57BF #5278D6

Accessibility & contrast

On white

9.62

#21408D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#21408D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21408D

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21408D	#FFFFFF	#000000	##FFFFFF
##21408D	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064A90

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #21408d;
/* rgb */ color: rgb(33, 64, 141);
/* oklch */ color: oklch(39.6% 0.133 264.5);

Tailwind

colors: {
  custom: {
    50: '#6d74af',
    500: '#21408d',
    950: '#000000',
  },
}

SCSS

$custom: #21408d;
$custom-light: #6d74af;
$custom-dark: #000000;

JSON

{
  "hex": "#21408d",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 141
  },
  "hsl": {
    "h": 222.778,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39578,
    "c": 0.13334,
    "h": 264.5
  },
  "luminance": 0.05913
}

Semantic roles & 50–950 ramp

primary

#21408D

secondary

#BA9B50

accent

#B743E5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #21408D

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

Preview Lab → · Contrast checker → · Palette generator →