#23209E#23209E

#23209E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.7% C 0.192 H 272.0°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#23209E
RGB	rgb(35, 32, 158)
HSL	hsl(241, 66%, 37%)
HSV	hsv(241, 80%, 62%)
CMYK	cmyk(77.8%, 79.7%, 0%, 38%)
CIE-LAB	lab(23.20, 44.35, -66.35)
CIE-LCH	lch(23.20, 79.81, 303.76°)
OKLab	oklab(35.71% 0.0067 -0.192)
OKLCH	oklch(35.71% 0.192 272)
XYZ	xyz(7.3791, 3.8582, 32.6969)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23209E #9B9E20

analogous

#205C9E #23209E #62209E

triadic

#23209E #9E2320 #209E23

tetradic

#23209E #9E205C #9B9E20 #209E62

square

#23209E #9E205C #9B9E20 #209E62

split-complementary

#23209E #9E6220 #5C9E20

monochromatic

#0C0B38 #18166B #23209E #2E2AD1 #5E5BDE

Accessibility & contrast

On white

11.85

#23209E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#23209E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23209E

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23209E	#FFFFFF	#000000	##FFFFFF
##23209E	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #23209e;
/* rgb */ color: rgb(35, 32, 158);
/* oklch */ color: oklch(35.7% 0.192 272.0);

Tailwind

colors: {
  custom: {
    50: '#755ebc',
    500: '#23209e',
    950: '#000000',
  },
}

SCSS

$custom: #23209e;
$custom-light: #755ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#23209e",
  "rgb": {
    "r": 35,
    "g": 32,
    "b": 158
  },
  "hsl": {
    "h": 241.429,
    "s": 66.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35713,
    "c": 0.19216,
    "h": 272
  },
  "luminance": 0.03859
}

Semantic roles & 50–950 ramp

primary

#23209E

secondary

#BFC258

accent

#E93FE5

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #23209E

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

Preview Lab → · Contrast checker → · Palette generator →