#21157D#21157D

#21157D is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.3% C 0.162 H 275.9°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#21157D
RGB	rgb(33, 21, 125)
HSL	hsl(247, 71%, 29%)
HSV	hsv(247, 83%, 49%)
CMYK	cmyk(73.6%, 83.2%, 0%, 51%)
CIE-LAB	lab(17.18, 39.15, -55.74)
CIE-LCH	lch(17.18, 68.11, 305.08°)
OKLab	oklab(30.34% 0.0166 -0.1611)
OKLCH	oklch(30.34% 0.162 275.9)
XYZ	xyz(4.5958, 2.3399, 19.6075)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21157D #717D15

analogous

#153D7D #21157D #55157D

triadic

#21157D #7D2115 #157D21

tetradic

#21157D #7D153D #717D15 #157D55

square

#21157D #7D153D #717D15 #157D55

split-complementary

#21157D #7D5515 #3D7D15

monochromatic

#07041A #130C49 #21157D #2F1EB1 #4430DC

Accessibility & contrast

On white

14.31

#21157D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#21157D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21157D

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21157D	#FFFFFF	#000000	##FFFFFF
##21157D	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F80

Deuteranopia (green-blind)

#00267B

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #21157d;
/* rgb */ color: rgb(33, 21, 125);
/* oklch */ color: oklch(30.3% 0.162 275.9);

Tailwind

colors: {
  custom: {
    50: '#6d56a4',
    500: '#21157d',
    950: '#000000',
  },
}

SCSS

$custom: #21157d;
$custom-light: #6d56a4;
$custom-dark: #000000;

JSON

{
  "hex": "#21157d",
  "rgb": {
    "r": 33,
    "g": 21,
    "b": 125
  },
  "hsl": {
    "h": 246.923,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.3034,
    "c": 0.16197,
    "h": 275.9
  },
  "luminance": 0.0234
}

Semantic roles & 50–950 ramp

primary

#21157D

secondary

#A5B23C

accent

#EE3AD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21157D

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

Preview Lab → · Contrast checker → · Palette generator →