#18285B#18285B

#18285B is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.094 H 267.3°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#18285B
RGB	rgb(24, 40, 91)
HSL	hsl(226, 58%, 23%)
HSV	hsv(226, 74%, 36%)
CMYK	cmyk(73.6%, 56%, 0%, 64.3%)
CIE-LAB	lab(17.77, 12.87, -32.65)
CIE-LCH	lch(17.77, 35.09, 291.51°)
OKLab	oklab(29.58% -0.0044 -0.0938)
OKLCH	oklch(29.58% 0.094 267.3)
XYZ	xyz(3.0232, 2.4668, 10.2123)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18285B #5B4B18

analogous

#18495B #18285B #2A185B

triadic

#18285B #5B1828 #285B18

tetradic

#18285B #5B1849 #5B4B18 #185B2A

square

#18285B #5B1849 #5B4B18 #185B2A

split-complementary

#18285B #5B2A18 #495B18

monochromatic

#060B18 #0B132B #18285B #253D8B #3253BC

Accessibility & contrast

On white

14.06

#18285B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#18285B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18285B

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18285B	#FFFFFF	#000000	##FFFFFF
##18285B	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082F5D

Deuteranopia (green-blind)

#00295A

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #18285b;
/* rgb */ color: rgb(24, 40, 91);
/* oklch */ color: oklch(29.6% 0.094 267.3);

Tailwind

colors: {
  custom: {
    50: '#5e618a',
    500: '#18285b',
    950: '#000000',
  },
}

SCSS

$custom: #18285b;
$custom-light: #5e618a;
$custom-dark: #000000;

JSON

{
  "hex": "#18285b",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 91
  },
  "hsl": {
    "h": 225.672,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.2958,
    "c": 0.0939,
    "h": 267.3
  },
  "luminance": 0.02467
}

Semantic roles & 50–950 ramp

primary

#18285B

secondary

#927D3D

accent

#BC46E1

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #18285B

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

Preview Lab → · Contrast checker → · Palette generator →