#23188C#23188C

#23188C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.177 H 274.5°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#23188C
RGB	rgb(35, 24, 140)
HSL	hsl(246, 71%, 32%)
HSV	hsv(246, 83%, 55%)
CMYK	cmyk(75%, 82.9%, 0%, 45.1%)
CIE-LAB	lab(19.65, 42.62, -61.10)
CIE-LCH	lch(19.65, 74.50, 304.90°)
OKLab	oklab(32.62% 0.014 -0.1767)
OKLCH	oklch(32.62% 0.177 274.5)
XYZ	xyz(5.7518, 2.9035, 25.0632)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23188C #818C18

analogous

#18478C #23188C #5D188C

triadic

#23188C #8C2318 #188C23

tetradic

#23188C #8C1847 #818C18 #188C5D

square

#23188C #8C1847 #818C18 #188C5D

split-complementary

#23188C #8C5D18 #478C18

monochromatic

#090624 #160F58 #23188C #3021C0 #4F40DE

Accessibility & contrast

On white

13.28

#23188C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#23188C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23188C

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23188C	#FFFFFF	#000000	##FFFFFF
##23188C	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358F

Deuteranopia (green-blind)

#002A8A

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #23188c;
/* rgb */ color: rgb(35, 24, 140);
/* oklch */ color: oklch(32.6% 0.177 274.5);

Tailwind

colors: {
  custom: {
    50: '#7159af',
    500: '#23188c',
    950: '#000000',
  },
}

SCSS

$custom: #23188c;
$custom-light: #7159af;
$custom-dark: #000000;

JSON

{
  "hex": "#23188c",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 140
  },
  "hsl": {
    "h": 245.69,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32623,
    "c": 0.17724,
    "h": 274.5
  },
  "luminance": 0.02904
}

Semantic roles & 50–950 ramp

primary

#23188C

secondary

#B3BF41

accent

#ED3ADD

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #23188C

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

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