#21238F#21238F

#21238F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.3% C 0.171 H 272.1°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#21238F
RGB	rgb(33, 35, 143)
HSL	hsl(239, 63%, 35%)
HSV	hsv(239, 77%, 56%)
CMYK	cmyk(76.9%, 75.5%, 0%, 43.9%)
CIE-LAB	lab(21.97, 37.43, -59.14)
CIE-LCH	lch(21.97, 69.99, 302.33°)
OKLab	oklab(34.32% 0.0062 -0.1712)
OKLCH	oklch(34.32% 0.171 272.1)
XYZ	xyz(6.1845, 3.5079, 26.3324)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21238F #8F8D21

analogous

#215A8F #21238F #56218F

triadic

#21238F #8F2123 #238F21

tetradic

#21238F #8F215A #8F8D21 #218F56

square

#21238F #8F215A #8F8D21 #218F56

split-complementary

#21238F #8F5621 #5A8F21

monochromatic

#0A0B2C #16175D #21238F #2C2FC1 #5355D7

Accessibility & contrast

On white

12.34

#21238F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#21238F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21238F

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21238F	#FFFFFF	#000000	##FFFFFF
##21238F	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#002F8D

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #21238f;
/* rgb */ color: rgb(33, 35, 143);
/* oklch */ color: oklch(34.3% 0.171 272.1);

Tailwind

colors: {
  custom: {
    50: '#705fb1',
    500: '#21238f',
    950: '#000000',
  },
}

SCSS

$custom: #21238f;
$custom-light: #705fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#21238f",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 143
  },
  "hsl": {
    "h": 238.909,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34319,
    "c": 0.17128,
    "h": 272.1
  },
  "luminance": 0.03509
}

Semantic roles & 50–950 ramp

primary

#21238F

secondary

#BBB951

accent

#E342E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #21238F

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

Preview Lab → · Contrast checker → · Palette generator →