#21147B#21147B

#21147B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.160 H 276.3°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#21147B
RGB	rgb(33, 20, 123)
HSL	hsl(248, 72%, 28%)
HSV	hsv(248, 84%, 48%)
CMYK	cmyk(73.2%, 83.7%, 0%, 51.8%)
CIE-LAB	lab(16.76, 39.00, -55.15)
CIE-LCH	lch(16.76, 67.54, 305.27°)
OKLab	oklab(29.98% 0.0176 -0.1594)
OKLCH	oklch(29.98% 0.16 276.3)
XYZ	xyz(4.4513, 2.2533, 18.9354)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21147B #6E7B14

analogous

#143A7B #21147B #54147B

triadic

#21147B #7B2114 #147B21

tetradic

#21147B #7B143A #6E7B14 #147B54

square

#21147B #7B143A #6E7B14 #147B54

split-complementary

#21147B #7B5414 #3A7B14

monochromatic

#07041A #130B46 #21147B #2F1DB0 #432DDD

Accessibility & contrast

On white

14.47

#21147B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#21147B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21147B

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21147B	#FFFFFF	#000000	##FFFFFF
##21147B	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7E

Deuteranopia (green-blind)

#002579

Tritanopia (blue-blind)

#003448

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #21147b;
/* rgb */ color: rgb(33, 20, 123);
/* oklch */ color: oklch(30.0% 0.160 276.3);

Tailwind

colors: {
  custom: {
    50: '#6c55a2',
    500: '#21147b',
    950: '#000000',
  },
}

SCSS

$custom: #21147b;
$custom-light: #6c55a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21147b",
  "rgb": {
    "r": 33,
    "g": 20,
    "b": 123
  },
  "hsl": {
    "h": 247.573,
    "s": 72.028,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29982,
    "c": 0.16036,
    "h": 276.3
  },
  "luminance": 0.02254
}

Semantic roles & 50–950 ramp

primary

#21147B

secondary

#A2B13A

accent

#EF39D8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21147B

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

Preview Lab → · Contrast checker → · Palette generator →