#21299A#21299A

#21299A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.179 H 270.5°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#21299A
RGB	rgb(33, 41, 154)
HSL	hsl(236, 65%, 37%)
HSV	hsv(236, 79%, 60%)
CMYK	cmyk(78.6%, 73.4%, 0%, 39.6%)
CIE-LAB	lab(24.45, 37.69, -61.83)
CIE-LCH	lch(24.45, 72.41, 301.36°)
OKLab	oklab(36.44% 0.0017 -0.179)
OKLCH	oklch(36.44% 0.179 270.5)
XYZ	xyz(7.2509, 4.2415, 31.0021)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21299A #9A9221

analogous

#21669A #21299A #56219A

triadic

#21299A #9A2129 #299A21

tetradic

#21299A #9A2166 #9A9221 #219A56

square

#21299A #9A2166 #9A9221 #219A56

split-complementary

#21299A #9A5621 #669A21

monochromatic

#0B0E35 #161C68 #21299A #2C36CC #5A62DC

Accessibility & contrast

On white

11.36

#21299A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#21299A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21299A

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21299A	#FFFFFF	#000000	##FFFFFF
##21299A	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #21299a;
/* rgb */ color: rgb(33, 41, 154);
/* oklch */ color: oklch(36.4% 0.179 270.5);

Tailwind

colors: {
  custom: {
    50: '#7264b9',
    500: '#21299a',
    950: '#000000',
  },
}

SCSS

$custom: #21299a;
$custom-light: #7264b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21299a",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 154
  },
  "hsl": {
    "h": 236.033,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36442,
    "c": 0.17904,
    "h": 270.5
  },
  "luminance": 0.04242
}

Semantic roles & 50–950 ramp

primary

#21299A

secondary

#C0B957

accent

#DD40E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #21299A

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

Preview Lab → · Contrast checker → · Palette generator →