#18205D#18205D

#18205D is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.0% C 0.108 H 271.7°. Best body text is #FFFFFF at 14.96:1 contrast (WCAG AA passes).

Color values

HEX	#18205D
RGB	rgb(24, 32, 93)
HSL	hsl(233, 59%, 23%)
HSV	hsv(233, 74%, 36%)
CMYK	cmyk(74.2%, 65.6%, 0%, 63.5%)
CIE-LAB	lab(15.58, 19.56, -37.54)
CIE-LCH	lch(15.58, 42.33, 297.52°)
OKLab	oklab(27.99% 0.0032 -0.1083)
OKLCH	oklch(27.99% 0.108 271.7)
XYZ	xyz(2.8683, 2.0173, 10.5920)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18205D #5D5518

analogous

#18425D #18205D #32185D

triadic

#18205D #5D1820 #205D18

tetradic

#18205D #5D1842 #5D5518 #185D32

square

#18205D #5D1842 #5D5518 #185D32

split-complementary

#18205D #5D3218 #425D18

monochromatic

#060818 #0B0F2C #18205D #25318E #3141BE

Accessibility & contrast

On white

14.96

#18205D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#18205D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18205D

14.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18205D	#FFFFFF	#000000	##FFFFFF
##18205D	1.00	14.96	1.40	14.96
#FFFFFF	14.96	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5F

Deuteranopia (green-blind)

#00245C

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #18205d;
/* rgb */ color: rgb(24, 32, 93);
/* oklch */ color: oklch(28.0% 0.108 271.7);

Tailwind

colors: {
  custom: {
    50: '#605b8b',
    500: '#18205d',
    950: '#000000',
  },
}

SCSS

$custom: #18205d;
$custom-light: #605b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#18205d",
  "rgb": {
    "r": 24,
    "g": 32,
    "b": 93
  },
  "hsl": {
    "h": 233.043,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.27995,
    "c": 0.10834,
    "h": 271.7
  },
  "luminance": 0.02018
}

Semantic roles & 50–950 ramp

primary

#18205D

secondary

#938A3D

accent

#D046E2

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #18205D

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

Preview Lab → · Contrast checker → · Palette generator →