#23238B#23238B

#23238B is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.166 H 273.2°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#23238B
RGB	rgb(35, 35, 139)
HSL	hsl(240, 60%, 34%)
HSV	hsv(240, 75%, 55%)
CMYK	cmyk(74.8%, 74.8%, 0%, 45.5%)
CIE-LAB	lab(21.66, 36.22, -57.15)
CIE-LCH	lch(21.66, 67.66, 302.36°)
OKLab	oklab(34% 0.0093 -0.1653)
OKLCH	oklch(34% 0.166 273.2)
XYZ	xyz(5.9528, 3.4229, 24.7680)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23238B #8B8B23

analogous

#23578B #23238B #57238B

triadic

#23238B #8B2323 #238B23

tetradic

#23238B #8B2357 #8B8B23 #238B57

square

#23238B #8B2357 #8B8B23 #238B57

split-complementary

#23238B #8B5723 #578B23

monochromatic

#0A0A29 #17175A #23238B #2F2FBC #5454D4

Accessibility & contrast

On white

12.47

#23238B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#23238B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23238B

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23238B	#FFFFFF	#000000	##FFFFFF
##23238B	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#002F89

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23238b;
/* rgb */ color: rgb(35, 35, 139);
/* oklch */ color: oklch(34.0% 0.166 273.2);

Tailwind

colors: {
  custom: {
    50: '#705fae',
    500: '#23238b',
    950: '#000000',
  },
}

SCSS

$custom: #23238b;
$custom-light: #705fae;
$custom-dark: #000000;

JSON

{
  "hex": "#23238b",
  "rgb": {
    "r": 35,
    "g": 35,
    "b": 139
  },
  "hsl": {
    "h": 240,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34003,
    "c": 0.1656,
    "h": 273.2
  },
  "luminance": 0.03423
}

Semantic roles & 50–950 ramp

primary

#23238B

secondary

#B8B852

accent

#E345E3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #23238B

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

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