#23388D#23388D

#23388D is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.143 H 268.2°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#23388D
RGB	rgb(35, 56, 141)
HSL	hsl(228, 60%, 35%)
HSV	hsv(228, 75%, 55%)
CMYK	cmyk(75.2%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(27.04, 23.20, -49.58)
CIE-LCH	lch(27.04, 54.74, 295.07°)
OKLab	oklab(37.99% -0.0046 -0.1431)
OKLCH	oklch(37.99% 0.143 268.2)
XYZ	xyz(6.9134, 5.1080, 25.8157)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23388D #8D7823

analogous

#236D8D #23388D #43238D

triadic

#23388D #8D2338 #388D23

tetradic

#23388D #8D236D #8D7823 #238D43

square

#23388D #8D236D #8D7823 #238D43

split-complementary

#23388D #8D4323 #6D8D23

monochromatic

#0B112B #17255C #23388D #2F4BBE #556FD5

Accessibility & contrast

On white

10.39

#23388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#23388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23388D

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23388D	#FFFFFF	#000000	##FFFFFF
##23388D	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #23388d;
/* rgb */ color: rgb(35, 56, 141);
/* oklch */ color: oklch(38.0% 0.143 268.2);

Tailwind

colors: {
  custom: {
    50: '#6e6eaf',
    500: '#23388d',
    950: '#000000',
  },
}

SCSS

$custom: #23388d;
$custom-light: #6e6eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#23388d",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 228.113,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37987,
    "c": 0.14315,
    "h": 268.2
  },
  "luminance": 0.05109
}

Semantic roles & 50–950 ramp

primary

#23388D

secondary

#B9A553

accent

#C444E3

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #23388D

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

Preview Lab → · Contrast checker → · Palette generator →