#21218F#21218F

#21218F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.173 H 272.3°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#21218F
RGB	rgb(33, 33, 143)
HSL	hsl(240, 63%, 35%)
HSV	hsv(240, 77%, 56%)
CMYK	cmyk(76.9%, 76.9%, 0%, 43.9%)
CIE-LAB	lab(21.56, 38.61, -59.82)
CIE-LCH	lch(21.56, 71.20, 302.83°)
OKLab	oklab(34.02% 0.0071 -0.1731)
OKLCH	oklch(34.02% 0.173 272.3)
XYZ	xyz(6.1273, 3.3936, 26.3134)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21218F #8F8F21

analogous

#21588F #21218F #58218F

triadic

#21218F #8F2121 #218F21

tetradic

#21218F #8F2158 #8F8F21 #218F58

square

#21218F #8F2158 #8F8F21 #218F58

split-complementary

#21218F #8F5821 #588F21

monochromatic

#0A0A2C #16165D #21218F #2C2CC1 #5353D7

Accessibility & contrast

On white

12.51

#21218F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#21218F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21218F

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21218F	#FFFFFF	#000000	##FFFFFF
##21218F	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#002E8D

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #21218f;
/* rgb */ color: rgb(33, 33, 143);
/* oklch */ color: oklch(34.0% 0.173 272.3);

Tailwind

colors: {
  custom: {
    50: '#705eb1',
    500: '#21218f',
    950: '#000000',
  },
}

SCSS

$custom: #21218f;
$custom-light: #705eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#21218f",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 143
  },
  "hsl": {
    "h": 240,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34023,
    "c": 0.17329,
    "h": 272.3
  },
  "luminance": 0.03394
}

Semantic roles & 50–950 ramp

primary

#21218F

secondary

#BBBB51

accent

#E642E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #21218F

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

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