#23239C#23239C

#23239C is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.9% C 0.187 H 271.9°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#23239C
RGB	rgb(35, 35, 156)
HSL	hsl(240, 63%, 37%)
HSV	hsv(240, 78%, 61%)
CMYK	cmyk(77.6%, 77.6%, 0%, 38.8%)
CIE-LAB	lab(23.54, 42.06, -64.57)
CIE-LCH	lch(23.54, 77.06, 303.08°)
OKLab	oklab(35.88% 0.0061 -0.1869)
OKLCH	oklch(35.88% 0.187 271.9)
XYZ	xyz(7.2929, 3.9589, 31.8258)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23239C #9C9C23

analogous

#23609C #23239C #60239C

triadic

#23239C #9C2323 #239C23

tetradic

#23239C #9C2360 #9C9C23 #239C60

square

#23239C #9C2360 #9C9C23 #239C60

split-complementary

#23239C #9C6023 #609C23

monochromatic

#0D0D38 #18186A #23239C #2E2ECE #5E5EDB

Accessibility & contrast

On white

11.72

#23239C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#23239C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23239C

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23239C	#FFFFFF	#000000	##FFFFFF
##23239C	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00329A

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #23239c;
/* rgb */ color: rgb(35, 35, 156);
/* oklch */ color: oklch(35.9% 0.187 271.9);

Tailwind

colors: {
  custom: {
    50: '#7460ba',
    500: '#23239c',
    950: '#000000',
  },
}

SCSS

$custom: #23239c;
$custom-light: #7460ba;
$custom-dark: #000000;

JSON

{
  "hex": "#23239c",
  "rgb": {
    "r": 35,
    "g": 35,
    "b": 156
  },
  "hsl": {
    "h": 240,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.35884,
    "c": 0.18701,
    "h": 271.9
  },
  "luminance": 0.0396
}

Semantic roles & 50–950 ramp

primary

#23239C

secondary

#C0C05B

accent

#E641E6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #23239C

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

Preview Lab → · Contrast checker → · Palette generator →