#23308A#23308A

#23308A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.149 H 270.5°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#23308A
RGB	rgb(35, 48, 138)
HSL	hsl(232, 60%, 34%)
HSV	hsv(232, 75%, 54%)
CMYK	cmyk(74.6%, 65.2%, 0%, 45.9%)
CIE-LAB	lab(24.66, 27.49, -51.61)
CIE-LCH	lch(24.66, 58.47, 298.04°)
OKLab	oklab(36.14% 0.0013 -0.1491)
OKLCH	oklch(36.14% 0.149 270.5)
XYZ	xyz(6.3360, 4.3056, 24.5370)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23308A #8A7D23

analogous

#23648A #23308A #4A238A

triadic

#23308A #8A2330 #308A23

tetradic

#23308A #8A2364 #8A7D23 #238A4A

square

#23308A #8A2364 #8A7D23 #238A4A

split-complementary

#23308A #8A4A23 #648A23

monochromatic

#0A0E28 #171F59 #23308A #2F41BB #5464D4

Accessibility & contrast

On white

11.28

#23308A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#23308A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23308A

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23308A	#FFFFFF	#000000	##FFFFFF
##23308A	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #23308a;
/* rgb */ color: rgb(35, 48, 138);
/* oklch */ color: oklch(36.1% 0.149 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e68ad',
    500: '#23308a',
    950: '#000000',
  },
}

SCSS

$custom: #23308a;
$custom-light: #6e68ad;
$custom-dark: #000000;

JSON

{
  "hex": "#23308a",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 138
  },
  "hsl": {
    "h": 232.427,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.3614,
    "c": 0.14914,
    "h": 270.5
  },
  "luminance": 0.04306
}

Semantic roles & 50–950 ramp

primary

#23308A

secondary

#B7AB51

accent

#CF45E3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #23308A

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

Preview Lab → · Contrast checker → · Palette generator →