#21386F#21386F

#21386F is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.100 H 264.7°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#21386F
RGB	rgb(33, 56, 111)
HSL	hsl(222, 54%, 28%)
HSV	hsv(222, 70%, 44%)
CMYK	cmyk(70.3%, 49.5%, 0%, 56.5%)
CIE-LAB	lab(24.64, 11.06, -34.61)
CIE-LCH	lch(24.64, 36.33, 287.72°)
OKLab	oklab(35.41% -0.0091 -0.0991)
OKLCH	oklch(35.41% 0.1 264.7)
XYZ	xyz(4.9096, 4.2989, 15.6069)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21386F #6F5821

analogous

#215F6F #21386F #31216F

triadic

#21386F #6F2138 #386F21

tetradic

#21386F #6F215F #6F5821 #216F31

square

#21386F #6F215F #6F5821 #216F31

split-complementary

#21386F #6F3121 #5F6F21

monochromatic

#070C18 #132040 #21386F #2F509E #436AC7

Accessibility & contrast

On white

11.29

#21386F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#21386F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21386F

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21386F	#FFFFFF	#000000	##FFFFFF
##21386F	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3E71

Deuteranopia (green-blind)

#0B376E

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #21386f;
/* rgb */ color: rgb(33, 56, 111);
/* oklch */ color: oklch(35.4% 0.100 264.7);

Tailwind

colors: {
  custom: {
    50: '#666e99',
    500: '#21386f',
    950: '#000000',
  },
}

SCSS

$custom: #21386f;
$custom-light: #666e99;
$custom-dark: #000000;

JSON

{
  "hex": "#21386f",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 111
  },
  "hsl": {
    "h": 222.308,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35414,
    "c": 0.09951,
    "h": 264.7
  },
  "luminance": 0.04299
}

Semantic roles & 50–950 ramp

primary

#21386F

secondary

#A38849

accent

#B24ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #21386F

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

Preview Lab → · Contrast checker → · Palette generator →