#21239C#21239C

#21239C is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.188 H 271.1°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#21239C
RGB	rgb(33, 35, 156)
HSL	hsl(239, 65%, 37%)
HSV	hsv(239, 79%, 61%)
CMYK	cmyk(78.8%, 77.6%, 0%, 38.8%)
CIE-LAB	lab(23.42, 41.90, -64.76)
CIE-LCH	lch(23.42, 77.13, 302.91°)
OKLab	oklab(35.77% 0.0038 -0.1875)
OKLCH	oklch(35.77% 0.188 271.1)
XYZ	xyz(7.2269, 3.9249, 31.8227)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21239C #9C9A21

analogous

#21619C #21239C #5C219C

triadic

#21239C #9C2123 #239C21

tetradic

#21239C #9C2161 #9C9A21 #219C5C

square

#21239C #9C2161 #9C9A21 #219C5C

split-complementary

#21239C #9C5C21 #619C21

monochromatic

#0C0C37 #161869 #21239C #2C2ECF #5B5DDC

Accessibility & contrast

On white

11.76

#21239C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#21239C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21239C

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21239C	#FFFFFF	#000000	##FFFFFF
##21239C	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00329A

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #21239c;
/* rgb */ color: rgb(33, 35, 156);
/* oklch */ color: oklch(35.8% 0.188 271.1);

Tailwind

colors: {
  custom: {
    50: '#7360ba',
    500: '#21239c',
    950: '#000000',
  },
}

SCSS

$custom: #21239c;
$custom-light: #7360ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21239c",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 156
  },
  "hsl": {
    "h": 239.024,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35773,
    "c": 0.18754,
    "h": 271.1
  },
  "luminance": 0.03926
}

Semantic roles & 50–950 ramp

primary

#21239C

secondary

#C1BF58

accent

#E540E8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #21239C

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

Preview Lab → · Contrast checker → · Palette generator →