#21247D#21247D

#21247D is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.6% C 0.146 H 273.3°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#21247D
RGB	rgb(33, 36, 125)
HSL	hsl(238, 58%, 31%)
HSV	hsv(238, 74%, 49%)
CMYK	cmyk(73.6%, 71.2%, 0%, 51%)
CIE-LAB	lab(20.30, 30.35, -50.58)
CIE-LCH	lch(20.30, 58.99, 300.96°)
OKLab	oklab(32.55% 0.0084 -0.1462)
OKLCH	oklch(32.55% 0.146 273.3)
XYZ	xyz(4.9585, 3.0653, 19.7284)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21247D #7D7A21

analogous

#21527D #21247D #4C217D

triadic

#21247D #7D2124 #247D21

tetradic

#21247D #7D2152 #7D7A21 #217D4C

square

#21247D #7D2152 #7D7A21 #217D4C

split-complementary

#21247D #7D4C21 #527D21

monochromatic

#07081C #14164D #21247D #2E32AD #494ECF

Accessibility & contrast

On white

13.02

#21247D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#21247D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21247D

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21247D	#FFFFFF	#000000	##FFFFFF
##21247D	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#002D7B

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #21247d;
/* rgb */ color: rgb(33, 36, 125);
/* oklch */ color: oklch(32.6% 0.146 273.3);

Tailwind

colors: {
  custom: {
    50: '#6b5fa4',
    500: '#21247d',
    950: '#000000',
  },
}

SCSS

$custom: #21247d;
$custom-light: #6b5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#21247d",
  "rgb": {
    "r": 33,
    "g": 36,
    "b": 125
  },
  "hsl": {
    "h": 238.043,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32554,
    "c": 0.14646,
    "h": 273.3
  },
  "luminance": 0.03066
}

Semantic roles & 50–950 ramp

primary

#21247D

secondary

#B0AC4A

accent

#DC46E1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #21247D

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

Preview Lab → · Contrast checker → · Palette generator →