#21238D#21238D

#21238D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.169 H 272.2°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#21238D
RGB	rgb(33, 35, 141)
HSL	hsl(239, 62%, 34%)
HSV	hsv(239, 77%, 55%)
CMYK	cmyk(76.6%, 75.2%, 0%, 44.7%)
CIE-LAB	lab(21.75, 36.73, -58.25)
CIE-LCH	lch(21.75, 68.86, 302.23°)
OKLab	oklab(34.1% 0.0065 -0.1686)
OKLCH	oklch(34.1% 0.169 272.2)
XYZ	xyz(6.0343, 3.4478, 25.5416)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21238D #8D8B21

analogous

#21598D #21238D #55218D

triadic

#21238D #8D2123 #238D21

tetradic

#21238D #8D2159 #8D8B21 #218D55

square

#21238D #8D2159 #8D8B21 #218D55

split-complementary

#21238D #8D5521 #598D21

monochromatic

#0A0A2A #15175B #21238D #2D2FBF #5254D6

Accessibility & contrast

On white

12.43

#21238D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#21238D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21238D

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21238D	#FFFFFF	#000000	##FFFFFF
##21238D	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003990

Deuteranopia (green-blind)

#002F8B

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #21238d;
/* rgb */ color: rgb(33, 35, 141);
/* oklch */ color: oklch(34.1% 0.169 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f5faf',
    500: '#21238d',
    950: '#000000',
  },
}

SCSS

$custom: #21238d;
$custom-light: #6f5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#21238d",
  "rgb": {
    "r": 33,
    "g": 35,
    "b": 141
  },
  "hsl": {
    "h": 238.889,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34099,
    "c": 0.16872,
    "h": 272.2
  },
  "luminance": 0.03448
}

Semantic roles & 50–950 ramp

primary

#21238D

secondary

#BAB850

accent

#E243E5

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #21238D

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

Preview Lab → · Contrast checker → · Palette generator →