#23369C#23369C

#23369C is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.166 H 268.8°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#23369C
RGB	rgb(35, 54, 156)
HSL	hsl(231, 63%, 37%)
HSV	hsv(231, 78%, 61%)
CMYK	cmyk(77.6%, 65.4%, 0%, 38.8%)
CIE-LAB	lab(27.83, 30.29, -57.49)
CIE-LCH	lch(27.83, 64.98, 297.79°)
OKLab	oklab(38.98% -0.0034 -0.1663)
OKLCH	oklch(38.98% 0.166 268.8)
XYZ	xyz(8.0110, 5.3951, 32.0652)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23369C #9C8923

analogous

#23729C #23369C #4D239C

triadic

#23369C #9C2336 #369C23

tetradic

#23369C #9C2372 #9C8923 #239C4D

square

#23369C #9C2372 #9C8923 #239C4D

split-complementary

#23369C #9C4D23 #729C23

monochromatic

#0D1338 #18256A #23369C #2E47CE #5E72DB

Accessibility & contrast

On white

10.10

#23369C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#23369C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23369C

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23369C	#FFFFFF	#000000	##FFFFFF
##23369C	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489F

Deuteranopia (green-blind)

#003C9A

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #23369c;
/* rgb */ color: rgb(35, 54, 156);
/* oklch */ color: oklch(39.0% 0.166 268.8);

Tailwind

colors: {
  custom: {
    50: '#726dba',
    500: '#23369c',
    950: '#000000',
  },
}

SCSS

$custom: #23369c;
$custom-light: #726dba;
$custom-dark: #000000;

JSON

{
  "hex": "#23369c",
  "rgb": {
    "r": 35,
    "g": 54,
    "b": 156
  },
  "hsl": {
    "h": 230.579,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.3898,
    "c": 0.16634,
    "h": 268.8
  },
  "luminance": 0.05396
}

Semantic roles & 50–950 ramp

primary

#23369C

secondary

#C0B05B

accent

#CC41E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #23369C

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

Preview Lab → · Contrast checker → · Palette generator →