#18285D#18285D

#18285D is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.8% C 0.097 H 267.5°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#18285D
RGB	rgb(24, 40, 93)
HSL	hsl(226, 59%, 23%)
HSV	hsv(226, 74%, 36%)
CMYK	cmyk(74.2%, 57%, 0%, 63.5%)
CIE-LAB	lab(17.93, 13.70, -33.72)
CIE-LCH	lch(17.93, 36.40, 292.11°)
OKLab	oklab(29.75% -0.0042 -0.097)
OKLCH	oklch(29.75% 0.097 267.5)
XYZ	xyz(3.1106, 2.5018, 10.6728)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18285D #5D4D18

analogous

#184A5D #18285D #2A185D

triadic

#18285D #5D1828 #285D18

tetradic

#18285D #5D184A #5D4D18 #185D2A

square

#18285D #5D184A #5D4D18 #185D2A

split-complementary

#18285D #5D2A18 #4A5D18

monochromatic

#060A18 #0B132C #18285D #253D8E #3152BE

Accessibility & contrast

On white

14.00

#18285D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#18285D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18285D

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18285D	#FFFFFF	#000000	##FFFFFF
##18285D	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042F5F

Deuteranopia (green-blind)

#00295C

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #18285d;
/* rgb */ color: rgb(24, 40, 93);
/* oklch */ color: oklch(29.8% 0.097 267.5);

Tailwind

colors: {
  custom: {
    50: '#5f618b',
    500: '#18285d',
    950: '#000000',
  },
}

SCSS

$custom: #18285d;
$custom-light: #5f618b;
$custom-dark: #000000;

JSON

{
  "hex": "#18285d",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 93
  },
  "hsl": {
    "h": 226.087,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29751,
    "c": 0.09705,
    "h": 267.5
  },
  "luminance": 0.02502
}

Semantic roles & 50–950 ramp

primary

#18285D

secondary

#93803D

accent

#BE46E2

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #18285D

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

Preview Lab → · Contrast checker → · Palette generator →