#21228F#21228F

#21228F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.172 H 272.2°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#21228F
RGB	rgb(33, 34, 143)
HSL	hsl(239, 63%, 35%)
HSV	hsv(239, 77%, 56%)
CMYK	cmyk(76.9%, 76.2%, 0%, 43.9%)
CIE-LAB	lab(21.76, 38.02, -59.48)
CIE-LCH	lch(21.76, 70.60, 302.59°)
OKLab	oklab(34.17% 0.0066 -0.1722)
OKLCH	oklch(34.17% 0.172 272.2)
XYZ	xyz(6.1555, 3.4499, 26.3228)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21228F #8F8E21

analogous

#21598F #21228F #57218F

triadic

#21228F #8F2122 #228F21

tetradic

#21228F #8F2159 #8F8E21 #218F57

square

#21228F #8F2159 #8F8E21 #218F57

split-complementary

#21228F #8F5721 #598F21

monochromatic

#0A0A2C #16165D #21228F #2C2EC1 #5354D7

Accessibility & contrast

On white

12.42

#21228F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#21228F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21228F

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21228F	#FFFFFF	#000000	##FFFFFF
##21228F	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#002F8D

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #21228f;
/* rgb */ color: rgb(33, 34, 143);
/* oklch */ color: oklch(34.2% 0.172 272.2);

Tailwind

colors: {
  custom: {
    50: '#705fb1',
    500: '#21228f',
    950: '#000000',
  },
}

SCSS

$custom: #21228f;
$custom-light: #705fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#21228f",
  "rgb": {
    "r": 33,
    "g": 34,
    "b": 143
  },
  "hsl": {
    "h": 239.455,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.3417,
    "c": 0.1723,
    "h": 272.2
  },
  "luminance": 0.03451
}

Semantic roles & 50–950 ramp

primary

#21228F

secondary

#BBBA51

accent

#E442E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #21228F

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

Preview Lab → · Contrast checker → · Palette generator →