#21299C#21299C

#21299C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.182 H 270.4°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#21299C
RGB	rgb(33, 41, 156)
HSL	hsl(236, 65%, 37%)
HSV	hsv(236, 79%, 61%)
CMYK	cmyk(78.8%, 73.7%, 0%, 38.8%)
CIE-LAB	lab(24.67, 38.39, -62.70)
CIE-LCH	lch(24.67, 73.52, 301.48°)
OKLab	oklab(36.66% 0.0014 -0.1816)
OKLCH	oklch(36.66% 0.182 270.4)
XYZ	xyz(7.4188, 4.3087, 31.8867)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21299C #9C9421

analogous

#21669C #21299C #57219C

triadic

#21299C #9C2129 #299C21

tetradic

#21299C #9C2166 #9C9421 #219C57

square

#21299C #9C2166 #9C9421 #219C57

split-complementary

#21299C #9C5721 #669C21

monochromatic

#0C0E37 #161C69 #21299C #2C36CF #5B63DC

Accessibility & contrast

On white

11.28

#21299C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#21299C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21299C

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21299C	#FFFFFF	#000000	##FFFFFF
##21299C	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419F

Deuteranopia (green-blind)

#00349A

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #21299c;
/* rgb */ color: rgb(33, 41, 156);
/* oklch */ color: oklch(36.7% 0.182 270.4);

Tailwind

colors: {
  custom: {
    50: '#7364ba',
    500: '#21299c',
    950: '#000000',
  },
}

SCSS

$custom: #21299c;
$custom-light: #7364ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21299c",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 156
  },
  "hsl": {
    "h": 236.098,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36657,
    "c": 0.18158,
    "h": 270.4
  },
  "luminance": 0.0431
}

Semantic roles & 50–950 ramp

primary

#21299C

secondary

#C1BA58

accent

#DD40E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #21299C

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

Preview Lab → · Contrast checker → · Palette generator →