#23388C#23388C

#23388C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.142 H 268.1°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#23388C
RGB	rgb(35, 56, 140)
HSL	hsl(228, 60%, 34%)
HSV	hsv(228, 75%, 55%)
CMYK	cmyk(75%, 60%, 0%, 45.1%)
CIE-LAB	lab(26.96, 22.81, -49.10)
CIE-LCH	lch(26.96, 54.13, 294.92°)
OKLab	oklab(37.9% -0.0046 -0.1417)
OKLCH	oklch(37.9% 0.142 268.1)
XYZ	xyz(6.8393, 5.0784, 25.4256)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23388C #8C7723

analogous

#236D8C #23388C #43238C

triadic

#23388C #8C2338 #388C23

tetradic

#23388C #8C236D #8C7723 #238C43

square

#23388C #8C236D #8C7723 #238C43

split-complementary

#23388C #8C4323 #6D8C23

monochromatic

#0B112A #17245B #23388C #2F4CBD #556ED4

Accessibility & contrast

On white

10.42

#23388C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#23388C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23388C

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23388C	#FFFFFF	#000000	##FFFFFF
##23388C	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #23388c;
/* rgb */ color: rgb(35, 56, 140);
/* oklch */ color: oklch(37.9% 0.142 268.1);

Tailwind

colors: {
  custom: {
    50: '#6e6eae',
    500: '#23388c',
    950: '#000000',
  },
}

SCSS

$custom: #23388c;
$custom-light: #6e6eae;
$custom-dark: #000000;

JSON

{
  "hex": "#23388c",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 140
  },
  "hsl": {
    "h": 228,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37898,
    "c": 0.14174,
    "h": 268.1
  },
  "luminance": 0.05079
}

Semantic roles & 50–950 ramp

primary

#23388C

secondary

#B8A452

accent

#C345E3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #23388C

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

Preview Lab → · Contrast checker → · Palette generator →