#23189D#23189D

#23189D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.7% C 0.197 H 272.7°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#23189D
RGB	rgb(35, 24, 157)
HSL	hsl(245, 73%, 35%)
HSV	hsv(245, 85%, 62%)
CMYK	cmyk(77.7%, 84.7%, 0%, 38.4%)
CIE-LAB	lab(21.74, 47.93, -68.15)
CIE-LCH	lch(21.74, 83.32, 305.12°)
OKLab	oklab(34.67% 0.0094 -0.1971)
OKLCH	oklch(34.67% 0.197 272.7)
XYZ	xyz(7.1035, 3.4441, 32.1822)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23189D #929D18

analogous

#18509D #23189D #65189D

triadic

#23189D #9D2318 #189D23

tetradic

#23189D #9D1850 #929D18 #189D65

square

#23189D #9D1850 #929D18 #189D65

split-complementary

#23189D #9D6518 #509D18

monochromatic

#0B0833 #171068 #23189D #2F20D2 #584CE4

Accessibility & contrast

On white

12.43

#23189D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#23189D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23189D

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23189D	#FFFFFF	#000000	##FFFFFF
##23189D	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)

#003AA1

Deuteranopia (green-blind)

#002E9B

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23189d;
/* rgb */ color: rgb(35, 24, 157);
/* oklch */ color: oklch(34.7% 0.197 272.7);

Tailwind

colors: {
  custom: {
    50: '#755abb',
    500: '#23189d',
    950: '#000000',
  },
}

SCSS

$custom: #23189d;
$custom-light: #755abb;
$custom-dark: #000000;

JSON

{
  "hex": "#23189d",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 157
  },
  "hsl": {
    "h": 244.962,
    "s": 73.481,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34668,
    "c": 0.19735,
    "h": 272.7
  },
  "luminance": 0.03445
}

Semantic roles & 50–950 ramp

primary

#23189D

secondary

#BBC54B

accent

#F038E1

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #23189D

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

Preview Lab → · Contrast checker → · Palette generator →