#21238E#21238E

#21238E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.170 H 272.1°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#21238E
RGB	rgb(33, 35, 142)
HSL	hsl(239, 62%, 34%)
HSV	hsv(239, 77%, 56%)
CMYK	cmyk(76.8%, 75.4%, 0%, 44.3%)
CIE-LAB	lab(21.86, 37.08, -58.69)
CIE-LCH	lch(21.86, 69.43, 302.28°)
OKLab	oklab(34.21% 0.0063 -0.1699)
OKLCH	oklch(34.21% 0.17 272.1)
XYZ	xyz(6.1091, 3.4777, 25.9353)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21238E #8E8C21

analogous

#215A8E #21238E #56218E

triadic

#21238E #8E2123 #238E21

tetradic

#21238E #8E215A #8E8C21 #218E56

square

#21238E #8E215A #8E8C21 #218E56

split-complementary

#21238E #8E5621 #5A8E21

monochromatic

#0A0B2B #15175C #21238E #2D2FC0 #5255D7

Accessibility & contrast

On white

12.38

#21238E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#21238E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21238E

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21238E	#FFFFFF	#000000	##FFFFFF
##21238E	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#002F8C

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #21238e;
/* rgb */ color: rgb(33, 35, 142);
/* oklch */ color: oklch(34.2% 0.170 272.1);

Tailwind

colors: {
  custom: {
    50: '#705fb0',
    500: '#21238e',
    950: '#000000',
  },
}

SCSS

$custom: #21238e;
$custom-light: #705fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#21238e",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 142
  },
  "hsl": {
    "h": 238.899,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34209,
    "c": 0.17,
    "h": 272.1
  },
  "luminance": 0.03478
}

Semantic roles & 50–950 ramp

primary

#21238E

secondary

#BAB850

accent

#E242E5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #21238E

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

Preview Lab → · Contrast checker → · Palette generator →