#21166A#21166A

#21166A is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.137 H 279.0°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#21166A
RGB	rgb(33, 22, 106)
HSL	hsl(248, 66%, 25%)
HSV	hsv(248, 79%, 42%)
CMYK	cmyk(68.9%, 79.2%, 0%, 58.4%)
CIE-LAB	lab(15.16, 32.29, -46.80)
CIE-LCH	lch(15.16, 56.86, 304.60°)
OKLab	oklab(28.27% 0.0213 -0.1351)
OKLCH	oklch(28.27% 0.137 279)
XYZ	xyz(3.5148, 1.9375, 13.8216)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21166A #5F6A16

analogous

#16356A #21166A #4B166A

triadic

#21166A #6A2116 #166A21

tetradic

#21166A #6A1635 #5F6A16 #166A4B

square

#21166A #6A1635 #5F6A16 #166A4B

split-complementary

#21166A #6A4B16 #356A16

monochromatic

#080519 #110B37 #21166A #31219D #412BCF

Accessibility & contrast

On white

15.13

#21166A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#21166A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21166A

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21166A	#FFFFFF	#000000	##FFFFFF
##21166A	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296C

Deuteranopia (green-blind)

#002368

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #21166a;
/* rgb */ color: rgb(33, 22, 106);
/* oklch */ color: oklch(28.3% 0.137 279.0);

Tailwind

colors: {
  custom: {
    50: '#685596',
    500: '#21166a',
    950: '#000000',
  },
}

SCSS

$custom: #21166a;
$custom-light: #685596;
$custom-dark: #000000;

JSON

{
  "hex": "#21166a",
  "rgb": {
    "r": 33,
    "g": 22,
    "b": 106
  },
  "hsl": {
    "h": 247.857,
    "s": 65.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28272,
    "c": 0.1368,
    "h": 279
  },
  "luminance": 0.01938
}

Semantic roles & 50–950 ramp

primary

#21166A

secondary

#93A03B

accent

#E93FD2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #21166A

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

Preview Lab → · Contrast checker → · Palette generator →