#23188D#23188D

#23188D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.7% C 0.178 H 274.4°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#23188D
RGB	rgb(35, 24, 141)
HSL	hsl(246, 71%, 32%)
HSV	hsv(246, 83%, 55%)
CMYK	cmyk(75.2%, 83%, 0%, 44.7%)
CIE-LAB	lab(19.77, 42.94, -61.52)
CIE-LCH	lch(19.77, 75.03, 304.91°)
OKLab	oklab(32.74% 0.0137 -0.1779)
OKLCH	oklch(32.74% 0.178 274.4)
XYZ	xyz(5.8259, 2.9331, 25.4532)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23188D #828D18

analogous

#18488D #23188D #5E188D

triadic

#23188D #8D2318 #188D23

tetradic

#23188D #8D1848 #828D18 #188D5E

square

#23188D #8D1848 #828D18 #188D5E

split-complementary

#23188D #8D5E18 #488D18

monochromatic

#090624 #160F59 #23188D #3021C1 #5041DF

Accessibility & contrast

On white

13.23

#23188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#23188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23188D

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23188D	#FFFFFF	#000000	##FFFFFF
##23188D	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003590

Deuteranopia (green-blind)

#002A8B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #23188d;
/* rgb */ color: rgb(35, 24, 141);
/* oklch */ color: oklch(32.7% 0.178 274.4);

Tailwind

colors: {
  custom: {
    50: '#7159b0',
    500: '#23188d',
    950: '#000000',
  },
}

SCSS

$custom: #23188d;
$custom-light: #7159b0;
$custom-dark: #000000;

JSON

{
  "hex": "#23188d",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 245.641,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32742,
    "c": 0.17845,
    "h": 274.4
  },
  "luminance": 0.02934
}

Semantic roles & 50–950 ramp

primary

#23188D

secondary

#B3BF42

accent

#EE3ADD

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #23188D

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

Preview Lab → · Contrast checker → · Palette generator →