#21228C#21228C

#21228C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.168 H 272.4°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#21228C
RGB	rgb(33, 34, 140)
HSL	hsl(239, 62%, 34%)
HSV	hsv(239, 76%, 55%)
CMYK	cmyk(76.4%, 75.7%, 0%, 45.1%)
CIE-LAB	lab(21.43, 36.98, -58.16)
CIE-LCH	lch(21.43, 68.92, 302.45°)
OKLab	oklab(33.84% 0.0072 -0.1683)
OKLCH	oklch(33.84% 0.168 272.4)
XYZ	xyz(5.9313, 3.3602, 25.1419)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21228C #8C8B21

analogous

#21588C #21228C #56218C

triadic

#21228C #8C2122 #228C21

tetradic

#21228C #8C2158 #8C8B21 #218C56

square

#21228C #8C2158 #8C8B21 #218C56

split-complementary

#21228C #8C5621 #588C21

monochromatic

#0A0A29 #15165A #21228C #2D2EBE #5153D6

Accessibility & contrast

On white

12.56

#21228C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#21228C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21228C

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21228C	#FFFFFF	#000000	##FFFFFF
##21228C	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #21228c;
/* rgb */ color: rgb(33, 34, 140);
/* oklch */ color: oklch(33.8% 0.168 272.4);

Tailwind

colors: {
  custom: {
    50: '#6f5eaf',
    500: '#21228c',
    950: '#000000',
  },
}

SCSS

$custom: #21228c;
$custom-light: #6f5eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#21228c",
  "rgb": {
    "r": 33,
    "g": 34,
    "b": 140
  },
  "hsl": {
    "h": 239.439,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33837,
    "c": 0.16847,
    "h": 272.4
  },
  "luminance": 0.03361
}

Semantic roles & 50–950 ramp

primary

#21228C

secondary

#B9B84F

accent

#E343E5

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #21228C

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

Preview Lab → · Contrast checker → · Palette generator →