#21366F#21366F

#21366F is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.102 H 266.1°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#21366F
RGB	rgb(33, 54, 111)
HSL	hsl(224, 54%, 28%)
HSV	hsv(224, 70%, 44%)
CMYK	cmyk(70.3%, 51.4%, 0%, 56.5%)
CIE-LAB	lab(24.03, 12.47, -35.58)
CIE-LCH	lch(24.03, 37.70, 289.31°)
OKLab	oklab(34.95% -0.007 -0.102)
OKLCH	oklch(34.95% 0.102 266.1)
XYZ	xyz(4.8146, 4.1089, 15.5752)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21366F #6F5A21

analogous

#215D6F #21366F #33216F

triadic

#21366F #6F2136 #366F21

tetradic

#21366F #6F215D #6F5A21 #216F33

square

#21366F #6F215D #6F5A21 #216F33

split-complementary

#21366F #6F3321 #5D6F21

monochromatic

#070B18 #131F40 #21366F #2F4D9E #4367C7

Accessibility & contrast

On white

11.53

#21366F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#21366F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21366F

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21366F	#FFFFFF	#000000	##FFFFFF
##21366F	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173D71

Deuteranopia (green-blind)

#04366E

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #21366f;
/* rgb */ color: rgb(33, 54, 111);
/* oklch */ color: oklch(34.9% 0.102 266.1);

Tailwind

colors: {
  custom: {
    50: '#666c99',
    500: '#21366f',
    950: '#000000',
  },
}

SCSS

$custom: #21366f;
$custom-light: #666c99;
$custom-dark: #000000;

JSON

{
  "hex": "#21366f",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 111
  },
  "hsl": {
    "h": 223.846,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3495,
    "c": 0.10223,
    "h": 266.1
  },
  "luminance": 0.04109
}

Semantic roles & 50–950 ramp

primary

#21366F

secondary

#A38B49

accent

#B64ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #21366F

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

Preview Lab → · Contrast checker → · Palette generator →