#21229B#21229B

#21229B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.187 H 271.3°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#21229B
RGB	rgb(33, 34, 155)
HSL	hsl(240, 65%, 37%)
HSV	hsv(240, 79%, 61%)
CMYK	cmyk(78.7%, 78.1%, 0%, 39.2%)
CIE-LAB	lab(23.11, 42.12, -64.66)
CIE-LCH	lch(23.11, 77.17, 303.08°)
OKLab	oklab(35.52% 0.0043 -0.1872)
OKLCH	oklch(35.52% 0.187 271.3)
XYZ	xyz(7.1136, 3.8332, 31.3690)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21229B #9B9A21

analogous

#215F9B #21229B #5D219B

triadic

#21229B #9B2122 #229B21

tetradic

#21229B #9B215F #9B9A21 #219B5D

square

#21229B #9B215F #9B9A21 #219B5D

split-complementary

#21229B #9B5D21 #5F9B21

monochromatic

#0C0C36 #161769 #21229B #2C2DCD #5A5BDC

Accessibility & contrast

On white

11.89

#21229B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#21229B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21229B

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21229B	#FFFFFF	#000000	##FFFFFF
##21229B	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003199

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #21229b;
/* rgb */ color: rgb(33, 34, 155);
/* oklch */ color: oklch(35.5% 0.187 271.3);

Tailwind

colors: {
  custom: {
    50: '#735fba',
    500: '#21229b',
    950: '#000000',
  },
}

SCSS

$custom: #21229b;
$custom-light: #735fba;
$custom-dark: #000000;

JSON

{
  "hex": "#21229b",
  "rgb": {
    "r": 33,
    "g": 34,
    "b": 155
  },
  "hsl": {
    "h": 239.508,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35521,
    "c": 0.18725,
    "h": 271.3
  },
  "luminance": 0.03834
}

Semantic roles & 50–950 ramp

primary

#21229B

secondary

#C0BF58

accent

#E640E8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21229B

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

Preview Lab → · Contrast checker → · Palette generator →