#21368D#21368D

#21368D is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.146 H 268.0°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#21368D
RGB	rgb(33, 54, 141)
HSL	hsl(228, 62%, 34%)
HSV	hsv(228, 77%, 55%)
CMYK	cmyk(76.6%, 61.7%, 0%, 44.7%)
CIE-LAB	lab(26.40, 24.32, -50.62)
CIE-LCH	lch(26.40, 56.16, 295.66°)
OKLab	oklab(37.49% -0.005 -0.1462)
OKLCH	oklch(37.49% 0.146 268)
XYZ	xyz(6.7524, 4.8840, 25.7810)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21368D #8D7821

analogous

#216C8D #21368D #42218D

triadic

#21368D #8D2136 #368D21

tetradic

#21368D #8D216C #8D7821 #218D42

square

#21368D #8D216C #8D7821 #218D42

split-complementary

#21368D #8D4221 #6C8D21

monochromatic

#0A102A #15235B #21368D #2D49BF #526CD6

Accessibility & contrast

On white

10.62

#21368D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#21368D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21368D

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21368D	#FFFFFF	#000000	##FFFFFF
##21368D	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #21368d;
/* rgb */ color: rgb(33, 54, 141);
/* oklch */ color: oklch(37.5% 0.146 268.0);

Tailwind

colors: {
  custom: {
    50: '#6e6caf',
    500: '#21368d',
    950: '#000000',
  },
}

SCSS

$custom: #21368d;
$custom-light: #6e6caf;
$custom-dark: #000000;

JSON

{
  "hex": "#21368d",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 141
  },
  "hsl": {
    "h": 228.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37485,
    "c": 0.14631,
    "h": 268
  },
  "luminance": 0.04885
}

Semantic roles & 50–950 ramp

primary

#21368D

secondary

#BAA550

accent

#C643E5

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #21368D

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

Preview Lab → · Contrast checker → · Palette generator →