#23189C#23189C

#23189C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.5% C 0.196 H 272.8°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#23189C
RGB	rgb(35, 24, 156)
HSL	hsl(245, 73%, 35%)
HSV	hsv(245, 85%, 61%)
CMYK	cmyk(77.6%, 84.6%, 0%, 38.8%)
CIE-LAB	lab(21.62, 47.63, -67.75)
CIE-LCH	lch(21.62, 82.81, 305.11°)
OKLab	oklab(34.55% 0.0096 -0.196)
OKLCH	oklch(34.55% 0.196 272.8)
XYZ	xyz(7.0185, 3.4101, 31.7344)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23189C #919C18

analogous

#184F9C #23189C #65189C

triadic

#23189C #9C2318 #189C23

tetradic

#23189C #9C184F #919C18 #189C65

square

#23189C #9C184F #919C18 #189C65

split-complementary

#23189C #9C6518 #4F9C18

monochromatic

#0B0832 #171067 #23189C #2F20D1 #584BE3

Accessibility & contrast

On white

12.48

#23189C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#23189C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23189C

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23189C	#FFFFFF	#000000	##FFFFFF
##23189C	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA0

Deuteranopia (green-blind)

#002D9A

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #23189c;
/* rgb */ color: rgb(35, 24, 156);
/* oklch */ color: oklch(34.5% 0.196 272.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#23189c",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 156
  },
  "hsl": {
    "h": 245,
    "s": 73.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34546,
    "c": 0.19619,
    "h": 272.8
  },
  "luminance": 0.03411
}

Semantic roles & 50–950 ramp

primary

#23189C

secondary

#BBC54B

accent

#F038E1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #23189C

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

Preview Lab → · Contrast checker → · Palette generator →