#21186E#21186E

#21186E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.140 H 277.8°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#21186E
RGB	rgb(33, 24, 110)
HSL	hsl(246, 64%, 26%)
HSV	hsv(246, 78%, 43%)
CMYK	cmyk(70%, 78.2%, 0%, 56.9%)
CIE-LAB	lab(16.01, 32.49, -48.00)
CIE-LCH	lch(16.01, 57.96, 304.09°)
OKLab	oklab(29.01% 0.019 -0.1386)
OKLCH	oklch(29.01% 0.14 277.8)
XYZ	xyz(3.7674, 2.1021, 14.9560)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21186E #656E18

analogous

#183A6E #21186E #4C186E

triadic

#21186E #6E2118 #186E21

tetradic

#21186E #6E183A #656E18 #186E4C

square

#21186E #6E183A #656E18 #186E4C

split-complementary

#21186E #6E4C18 #3A6E18

monochromatic

#080519 #120D3C #21186E #3023A0 #402FD2

Accessibility & contrast

On white

14.78

#21186E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#21186E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21186E

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21186E	#FFFFFF	#000000	##FFFFFF
##21186E	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B70

Deuteranopia (green-blind)

#00246C

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #21186e;
/* rgb */ color: rgb(33, 24, 110);
/* oklch */ color: oklch(29.0% 0.140 277.8);

Tailwind

colors: {
  custom: {
    50: '#695699',
    500: '#21186e',
    950: '#000000',
  },
}

SCSS

$custom: #21186e;
$custom-light: #695699;
$custom-dark: #000000;

JSON

{
  "hex": "#21186e",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 110
  },
  "hsl": {
    "h": 246.279,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29011,
    "c": 0.13994,
    "h": 277.8
  },
  "luminance": 0.02102
}

Semantic roles & 50–950 ramp

primary

#21186E

secondary

#99A43E

accent

#E741D6

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #21186E

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

Preview Lab → · Contrast checker → · Palette generator →