#18235D#18235D

#18235D is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.6% C 0.104 H 270.3°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#18235D
RGB	rgb(24, 35, 93)
HSL	hsl(230, 59%, 23%)
HSV	hsv(230, 74%, 36%)
CMYK	cmyk(74.2%, 62.4%, 0%, 63.5%)
CIE-LAB	lab(16.44, 17.37, -36.14)
CIE-LCH	lch(16.44, 40.10, 295.67°)
OKLab	oklab(28.63% 0.0005 -0.1041)
OKLCH	oklch(28.63% 0.104 270.3)
XYZ	xyz(2.9528, 2.1863, 10.6202)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18235D #5D5218

analogous

#18455D #18235D #2F185D

triadic

#18235D #5D1823 #235D18

tetradic

#18235D #5D1845 #5D5218 #185D2F

square

#18235D #5D1845 #5D5218 #185D2F

split-complementary

#18235D #5D2F18 #455D18

monochromatic

#060918 #0B112C #18235D #25358E #3148BE

Accessibility & contrast

On white

14.61

#18235D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#18235D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18235D

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18235D	#FFFFFF	#000000	##FFFFFF
##18235D	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5F

Deuteranopia (green-blind)

#00265C

Tritanopia (blue-blind)

#00313C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18235d;
/* rgb */ color: rgb(24, 35, 93);
/* oklch */ color: oklch(28.6% 0.104 270.3);

Tailwind

colors: {
  custom: {
    50: '#5f5d8b',
    500: '#18235d',
    950: '#000000',
  },
}

SCSS

$custom: #18235d;
$custom-light: #5f5d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#18235d",
  "rgb": {
    "r": 24,
    "g": 35,
    "b": 93
  },
  "hsl": {
    "h": 230.435,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.28632,
    "c": 0.10415,
    "h": 270.3
  },
  "luminance": 0.02187
}

Semantic roles & 50–950 ramp

primary

#18235D

secondary

#93863D

accent

#C946E2

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #18235D

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

Preview Lab → · Contrast checker → · Palette generator →