#23188A#23188A

#23188A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.4% C 0.175 H 274.8°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#23188A
RGB	rgb(35, 24, 138)
HSL	hsl(246, 70%, 32%)
HSV	hsv(246, 83%, 54%)
CMYK	cmyk(74.6%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(19.41, 41.99, -60.25)
CIE-LCH	lch(19.41, 73.44, 304.87°)
OKLab	oklab(32.39% 0.0145 -0.1742)
OKLCH	oklch(32.39% 0.175 274.8)
XYZ	xyz(5.6057, 2.8450, 24.2935)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23188A #7F8A18

analogous

#18468A #23188A #5C188A

triadic

#23188A #8A2318 #188A23

tetradic

#23188A #8A1846 #7F8A18 #188A5C

square

#23188A #8A1846 #7F8A18 #188A5C

split-complementary

#23188A #8A5C18 #468A18

monochromatic

#090622 #160F56 #23188A #3021BE #4E3FDE

Accessibility & contrast

On white

13.38

#23188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#23188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23188A

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23188A	#FFFFFF	#000000	##FFFFFF
##23188A	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348D

Deuteranopia (green-blind)

#002A88

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #23188a;
/* rgb */ color: rgb(35, 24, 138);
/* oklch */ color: oklch(32.4% 0.175 274.8);

Tailwind

colors: {
  custom: {
    50: '#7058ad',
    500: '#23188a',
    950: '#000000',
  },
}

SCSS

$custom: #23188a;
$custom-light: #7058ad;
$custom-dark: #000000;

JSON

{
  "hex": "#23188a",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 245.789,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32386,
    "c": 0.17483,
    "h": 274.8
  },
  "luminance": 0.02846
}

Semantic roles & 50–950 ramp

primary

#23188A

secondary

#B1BD40

accent

#ED3BDC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #23188A

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

Preview Lab → · Contrast checker → · Palette generator →