#18385B#18385B

#18385B is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.6% C 0.073 H 252.6°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#18385B
RGB	rgb(24, 56, 91)
HSL	hsl(211, 58%, 23%)
HSV	hsv(211, 74%, 36%)
CMYK	cmyk(73.6%, 38.5%, 0%, 64.3%)
CIE-LAB	lab(22.92, 1.36, -24.41)
CIE-LCH	lch(22.92, 24.44, 273.19°)
OKLab	oklab(33.55% -0.0217 -0.0693)
OKLCH	oklch(33.55% 0.073 252.6)
XYZ	xyz(3.6785, 3.7775, 10.4308)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18385B #5B3B18

analogous

#185A5B #18385B #19185B

triadic

#18385B #5B1838 #385B18

tetradic

#18385B #5B185A #5B3B18 #185B19

square

#18385B #5B185A #5B3B18 #185B19

split-complementary

#18385B #5B1918 #5A5B18

monochromatic

#060F18 #0B1A2B #18385B #25568B #3274BC

Accessibility & contrast

On white

11.96

#18385B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#18385B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18385B

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18385B	#FFFFFF	#000000	##FFFFFF
##18385B	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283A5C

Deuteranopia (green-blind)

#1F345A

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #18385b;
/* rgb */ color: rgb(24, 56, 91);
/* oklch */ color: oklch(33.6% 0.073 252.6);

Tailwind

colors: {
  custom: {
    50: '#5e6e89',
    500: '#18385b',
    950: '#000000',
  },
}

SCSS

$custom: #18385b;
$custom-light: #5e6e89;
$custom-dark: #000000;

JSON

{
  "hex": "#18385b",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 91
  },
  "hsl": {
    "h": 211.343,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33553,
    "c": 0.07265,
    "h": 252.6
  },
  "luminance": 0.03778
}

Semantic roles & 50–950 ramp

primary

#18385B

secondary

#92693D

accent

#9746E1

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #18385B

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

Preview Lab → · Contrast checker → · Palette generator →