#21147C#21147C

#21147C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.162 H 276.1°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#21147C
RGB	rgb(33, 20, 124)
HSL	hsl(248, 72%, 28%)
HSV	hsv(248, 84%, 49%)
CMYK	cmyk(73.4%, 83.9%, 0%, 51.4%)
CIE-LAB	lab(16.89, 39.32, -55.58)
CIE-LCH	lch(16.89, 68.09, 305.28°)
OKLab	oklab(30.1% 0.0173 -0.1607)
OKLCH	oklch(30.1% 0.162 276.1)
XYZ	xyz(4.5143, 2.2785, 19.2668)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21147C #6F7C14

analogous

#143B7C #21147C #55147C

triadic

#21147C #7C2114 #147C21

tetradic

#21147C #7C143B #6F7C14 #147C55

square

#21147C #7C143B #6F7C14 #147C55

split-complementary

#21147C #7C5514 #3B7C14

monochromatic

#07041A #130B47 #21147C #2F1DB1 #432DDD

Accessibility & contrast

On white

14.43

#21147C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#21147C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21147C

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21147C	#FFFFFF	#000000	##FFFFFF
##21147C	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7F

Deuteranopia (green-blind)

#00257A

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #21147c;
/* rgb */ color: rgb(33, 20, 124);
/* oklch */ color: oklch(30.1% 0.162 276.1);

Tailwind

colors: {
  custom: {
    50: '#6c55a3',
    500: '#21147c',
    950: '#000000',
  },
}

SCSS

$custom: #21147c;
$custom-light: #6c55a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21147c",
  "rgb": {
    "r": 33,
    "g": 20,
    "b": 124
  },
  "hsl": {
    "h": 247.5,
    "s": 72.222,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30101,
    "c": 0.16159,
    "h": 276.1
  },
  "luminance": 0.02279
}

Semantic roles & 50–950 ramp

primary

#21147C

secondary

#A3B23A

accent

#EF39D8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21147C

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

Preview Lab → · Contrast checker → · Palette generator →