#23359E#23359E

#23359E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.170 H 269.0°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#23359E
RGB	rgb(35, 53, 158)
HSL	hsl(231, 64%, 38%)
HSV	hsv(231, 78%, 62%)
CMYK	cmyk(77.8%, 66.5%, 0%, 38%)
CIE-LAB	lab(27.77, 31.70, -58.81)
CIE-LCH	lch(27.77, 66.81, 298.33°)
OKLab	oklab(38.99% -0.003 -0.1702)
OKLCH	oklch(38.99% 0.17 269)
XYZ	xyz(8.1357, 5.3713, 32.9491)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23359E #9E8C23

analogous

#23729E #23359E #4F239E

triadic

#23359E #9E2335 #359E23

tetradic

#23359E #9E2372 #9E8C23 #239E4F

square

#23359E #9E2372 #9E8C23 #239E4F

split-complementary

#23359E #9E4F23 #729E23

monochromatic

#0D133A #18246C #23359E #2E46D0 #6072DC

Accessibility & contrast

On white

10.12

#23359E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#23359E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23359E

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23359E	#FFFFFF	#000000	##FFFFFF
##23359E	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #23359e;
/* rgb */ color: rgb(35, 53, 158);
/* oklch */ color: oklch(39.0% 0.170 269.0);

Tailwind

colors: {
  custom: {
    50: '#736cbc',
    500: '#23359e',
    950: '#000000',
  },
}

SCSS

$custom: #23359e;
$custom-light: #736cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#23359e",
  "rgb": {
    "r": 35,
    "g": 53,
    "b": 158
  },
  "hsl": {
    "h": 231.22,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38989,
    "c": 0.17021,
    "h": 269
  },
  "luminance": 0.05372
}

Semantic roles & 50–950 ramp

primary

#23359E

secondary

#C1B25C

accent

#CF41E7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #23359E

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

Preview Lab → · Contrast checker → · Palette generator →