#21247A#21247A

#21247A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.2% C 0.142 H 273.5°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#21247A
RGB	rgb(33, 36, 122)
HSL	hsl(238, 57%, 30%)
HSV	hsv(238, 73%, 48%)
CMYK	cmyk(73%, 70.5%, 0%, 52.2%)
CIE-LAB	lab(20.00, 29.24, -49.16)
CIE-LCH	lch(20.00, 57.20, 300.74°)
OKLab	oklab(32.25% 0.0088 -0.1421)
OKLCH	oklch(32.25% 0.142 273.5)
XYZ	xyz(4.7698, 2.9898, 18.7343)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21247A #7A7721

analogous

#21507A #21247A #4B217A

triadic

#21247A #7A2124 #247A21

tetradic

#21247A #7A2150 #7A7721 #217A4B

square

#21247A #7A2150 #7A7721 #217A4B

split-complementary

#21247A #7A4B21 #507A21

monochromatic

#07081A #14164A #21247A #2E32AA #484CCD

Accessibility & contrast

On white

13.14

#21247A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#21247A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21247A

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21247A	#FFFFFF	#000000	##FFFFFF
##21247A	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347D

Deuteranopia (green-blind)

#002C78

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #21247a;
/* rgb */ color: rgb(33, 36, 122);
/* oklch */ color: oklch(32.2% 0.142 273.5);

Tailwind

colors: {
  custom: {
    50: '#6a5fa1',
    500: '#21247a',
    950: '#000000',
  },
}

SCSS

$custom: #21247a;
$custom-light: #6a5fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#21247a",
  "rgb": {
    "r": 33,
    "g": 36,
    "b": 122
  },
  "hsl": {
    "h": 237.978,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32245,
    "c": 0.14236,
    "h": 273.5
  },
  "luminance": 0.0299
}

Semantic roles & 50–950 ramp

primary

#21247A

secondary

#ADAA4A

accent

#DB47E1

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #21247A

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

Preview Lab → · Contrast checker → · Palette generator →