#21156A#21156A

#21156A is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.138 H 279.2°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#21156A
RGB	rgb(33, 21, 106)
HSL	hsl(248, 67%, 25%)
HSV	hsv(248, 80%, 42%)
CMYK	cmyk(68.9%, 80.2%, 0%, 58.4%)
CIE-LAB	lab(14.95, 32.86, -47.13)
CIE-LCH	lch(14.95, 57.46, 304.89°)
OKLab	oklab(28.13% 0.022 -0.1361)
OKLCH	oklch(28.13% 0.138 279.2)
XYZ	xyz(3.4961, 1.9000, 13.8154)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21156A #5E6A15

analogous

#15336A #21156A #4C156A

triadic

#21156A #6A2115 #156A21

tetradic

#21156A #6A1533 #5E6A15 #156A4C

square

#21156A #6A1533 #5E6A15 #156A4C

split-complementary

#21156A #6A4C15 #336A15

monochromatic

#08051A #110B37 #21156A #311F9D #4129D0

Accessibility & contrast

On white

15.22

#21156A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#21156A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21156A

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21156A	#FFFFFF	#000000	##FFFFFF
##21156A	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296C

Deuteranopia (green-blind)

#002268

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #21156a;
/* rgb */ color: rgb(33, 21, 106);
/* oklch */ color: oklch(28.1% 0.138 279.2);

Tailwind

colors: {
  custom: {
    50: '#685496',
    500: '#21156a',
    950: '#000000',
  },
}

SCSS

$custom: #21156a;
$custom-light: #685496;
$custom-dark: #000000;

JSON

{
  "hex": "#21156a",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 106
  },
  "hsl": {
    "h": 248.471,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.2813,
    "c": 0.13785,
    "h": 279.2
  },
  "luminance": 0.019
}

Semantic roles & 50–950 ramp

primary

#21156A

secondary

#92A13A

accent

#EA3ED2

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #21156A

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

Preview Lab → · Contrast checker → · Palette generator →