#21157C#21157C

#21157C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.161 H 276.0°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#21157C
RGB	rgb(33, 21, 124)
HSL	hsl(247, 71%, 28%)
HSV	hsv(247, 83%, 49%)
CMYK	cmyk(73.4%, 83.1%, 0%, 51.4%)
CIE-LAB	lab(17.06, 38.82, -55.30)
CIE-LCH	lch(17.06, 67.56, 305.07°)
OKLab	oklab(30.22% 0.0169 -0.1598)
OKLCH	oklch(30.22% 0.161 276)
XYZ	xyz(4.5323, 2.3145, 19.2728)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21157C #707C15

analogous

#153C7C #21157C #54157C

triadic

#21157C #7C2115 #157C21

tetradic

#21157C #7C153C #707C15 #157C54

square

#21157C #7C153C #707C15 #157C54

split-complementary

#21157C #7C5415 #3C7C15

monochromatic

#07041A #130C48 #21157C #2F1EB0 #4430DC

Accessibility & contrast

On white

14.35

#21157C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#21157C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21157C

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21157C	#FFFFFF	#000000	##FFFFFF
##21157C	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	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: #21157c;
/* rgb */ color: rgb(33, 21, 124);
/* oklch */ color: oklch(30.2% 0.161 276.0);

Tailwind

colors: {
  custom: {
    50: '#6c56a3',
    500: '#21157c',
    950: '#000000',
  },
}

SCSS

$custom: #21157c;
$custom-light: #6c56a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21157c",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 124
  },
  "hsl": {
    "h": 246.99,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30221,
    "c": 0.16074,
    "h": 276
  },
  "luminance": 0.02315
}

Semantic roles & 50–950 ramp

primary

#21157C

secondary

#A4B13C

accent

#EE3AD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21157C

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

Preview Lab → · Contrast checker → · Palette generator →