#21166C#21166C

#21166C is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.139 H 278.6°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#21166C
RGB	rgb(33, 22, 108)
HSL	hsl(248, 66%, 25%)
HSV	hsv(248, 80%, 42%)
CMYK	cmyk(69.4%, 79.6%, 0%, 57.6%)
CIE-LAB	lab(15.38, 32.97, -47.74)
CIE-LCH	lch(15.38, 58.02, 304.63°)
OKLab	oklab(28.5% 0.0208 -0.1379)
OKLCH	oklch(28.5% 0.139 278.6)
XYZ	xyz(3.6200, 1.9796, 14.3758)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21166C #616C16

analogous

#16366C #21166C #4C166C

triadic

#21166C #6C2116 #166C21

tetradic

#21166C #6C1636 #616C16 #166C4C

square

#21166C #6C1636 #616C16 #166C4C

split-complementary

#21166C #6C4C16 #366C16

monochromatic

#080519 #110C39 #21166C #31209F #402BD2

Accessibility & contrast

On white

15.04

#21166C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#21166C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21166C

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21166C	#FFFFFF	#000000	##FFFFFF
##21166C	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6E

Deuteranopia (green-blind)

#00236A

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #21166c;
/* rgb */ color: rgb(33, 22, 108);
/* oklch */ color: oklch(28.5% 0.139 278.6);

Tailwind

colors: {
  custom: {
    50: '#685597',
    500: '#21166c',
    950: '#000000',
  },
}

SCSS

$custom: #21166c;
$custom-light: #685597;
$custom-dark: #000000;

JSON

{
  "hex": "#21166c",
  "rgb": {
    "r": 33,
    "g": 22,
    "b": 108
  },
  "hsl": {
    "h": 247.674,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28497,
    "c": 0.13943,
    "h": 278.6
  },
  "luminance": 0.0198
}

Semantic roles & 50–950 ramp

primary

#21166C

secondary

#95A23C

accent

#E93FD3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #21166C

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

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