#21186A#21186A

#21186A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.6% C 0.135 H 278.5°. Best body text is #FFFFFF at 14.96:1 contrast (WCAG AA passes).

Color values

HEX	#21186A
RGB	rgb(33, 24, 106)
HSL	hsl(247, 63%, 25%)
HSV	hsv(247, 77%, 42%)
CMYK	cmyk(68.9%, 77.4%, 0%, 58.4%)
CIE-LAB	lab(15.58, 31.10, -46.11)
CIE-LCH	lch(15.58, 55.62, 304.00°)
OKLab	oklab(28.57% 0.02 -0.1331)
OKLCH	oklch(28.57% 0.135 278.5)
XYZ	xyz(3.5545, 2.0169, 13.8349)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21186A #616A18

analogous

#18386A #21186A #4A186A

triadic

#21186A #6A2118 #186A21

tetradic

#21186A #6A1838 #616A18 #186A4A

square

#21186A #6A1838 #616A18 #186A4A

split-complementary

#21186A #6A4A18 #386A18

monochromatic

#080619 #110D38 #21186A #31239C #402FCE

Accessibility & contrast

On white

14.96

#21186A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#21186A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21186A

14.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21186A	#FFFFFF	#000000	##FFFFFF
##21186A	1.00	14.96	1.40	14.96
#FFFFFF	14.96	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6C

Deuteranopia (green-blind)

#002469

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #21186a;
/* rgb */ color: rgb(33, 24, 106);
/* oklch */ color: oklch(28.6% 0.135 278.5);

Tailwind

colors: {
  custom: {
    50: '#685696',
    500: '#21186a',
    950: '#000000',
  },
}

SCSS

$custom: #21186a;
$custom-light: #685696;
$custom-dark: #000000;

JSON

{
  "hex": "#21186a",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 106
  },
  "hsl": {
    "h": 246.585,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28569,
    "c": 0.13461,
    "h": 278.5
  },
  "luminance": 0.02017
}

Semantic roles & 50–950 ramp

primary

#21186A

secondary

#95A03E

accent

#E642D4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #21186A

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

Preview Lab → · Contrast checker → · Palette generator →