#21228B#21228B

#21228B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.167 H 272.5°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#21228B
RGB	rgb(33, 34, 139)
HSL	hsl(239, 62%, 34%)
HSV	hsv(239, 76%, 55%)
CMYK	cmyk(76.3%, 75.5%, 0%, 45.5%)
CIE-LAB	lab(21.32, 36.63, -57.72)
CIE-LCH	lch(21.32, 68.36, 302.40°)
OKLab	oklab(33.73% 0.0073 -0.167)
OKLCH	oklch(33.73% 0.167 272.5)
XYZ	xyz(5.8579, 3.3309, 24.7553)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21228B #8B8A21

analogous

#21578B #21228B #55218B

triadic

#21228B #8B2122 #228B21

tetradic

#21228B #8B2157 #8B8A21 #218B55

square

#21228B #8B2157 #8B8A21 #218B55

split-complementary

#21228B #8B5521 #578B21

monochromatic

#0A0A28 #15165A #21228B #2D2EBC #5152D6

Accessibility & contrast

On white

12.60

#21228B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#21228B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21228B

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21228B	#FFFFFF	#000000	##FFFFFF
##21228B	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#002E89

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #21228b;
/* rgb */ color: rgb(33, 34, 139);
/* oklch */ color: oklch(33.7% 0.167 272.5);

Tailwind

colors: {
  custom: {
    50: '#6f5eae',
    500: '#21228b',
    950: '#000000',
  },
}

SCSS

$custom: #21228b;
$custom-light: #6f5eae;
$custom-dark: #000000;

JSON

{
  "hex": "#21228b",
  "rgb": {
    "r": 33,
    "g": 34,
    "b": 139
  },
  "hsl": {
    "h": 239.434,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33727,
    "c": 0.16719,
    "h": 272.5
  },
  "luminance": 0.03331
}

Semantic roles & 50–950 ramp

primary

#21228B

secondary

#B9B84F

accent

#E343E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #21228B

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

Preview Lab → · Contrast checker → · Palette generator →