#21205B#21205B

#21205B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.5% C 0.103 H 278.4°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#21205B
RGB	rgb(33, 32, 91)
HSL	hsl(241, 48%, 24%)
HSV	hsv(241, 65%, 36%)
CMYK	cmyk(63.7%, 64.8%, 0%, 64.3%)
CIE-LAB	lab(16.06, 20.37, -35.39)
CIE-LCH	lch(16.06, 40.83, 299.92°)
OKLab	oklab(28.47% 0.015 -0.1017)
OKLCH	oklch(28.47% 0.103 278.4)
XYZ	xyz(3.0314, 2.1115, 10.1433)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21205B #5A5B20

analogous

#203D5B #21205B #3F205B

triadic

#21205B #5B2120 #205B21

tetradic

#21205B #5B203D #5A5B20 #205B3F

square

#21205B #5B203D #5A5B20 #205B3F

split-complementary

#21205B #5B3F20 #3D5B20

monochromatic

#080817 #11102E #21205B #313088 #4240B6

Accessibility & contrast

On white

14.76

#21205B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#21205B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21205B

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21205B	#FFFFFF	#000000	##FFFFFF
##21205B	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#00255A

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #21205b;
/* rgb */ color: rgb(33, 32, 91);
/* oklch */ color: oklch(28.5% 0.103 278.4);

Tailwind

colors: {
  custom: {
    50: '#635b8a',
    500: '#21205b',
    950: '#000000',
  },
}

SCSS

$custom: #21205b;
$custom-light: #635b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#21205b",
  "rgb": {
    "r": 33,
    "g": 32,
    "b": 91
  },
  "hsl": {
    "h": 241.017,
    "s": 47.967,
    "l": 24.118
  },
  "oklch": {
    "l": 0.2847,
    "c": 0.1028,
    "h": 278.4
  },
  "luminance": 0.02112
}

Semantic roles & 50–950 ramp

primary

#21205B

secondary

#8E8F47

accent

#D850D5

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #21205B

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

Preview Lab → · Contrast checker → · Palette generator →