#18475C#18475C

#18475C is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.6% C 0.061 H 231.0°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#18475C
RGB	rgb(24, 71, 92)
HSL	hsl(199, 59%, 23%)
HSV	hsv(199, 74%, 36%)
CMYK	cmyk(73.9%, 22.8%, 0%, 63.9%)
CIE-LAB	lab(28.04, -8.14, -17.04)
CIE-LCH	lch(28.04, 18.89, 244.47°)
OKLab	oklab(37.62% -0.0387 -0.0478)
OKLCH	oklch(37.62% 0.062 231)
XYZ	xyz(4.5609, 5.4729, 10.9391)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18475C #5C2D18

analogous

#185C4F #18475C #18255C

triadic

#18475C #5C1847 #475C18

tetradic

#18475C #4F185C #5C2D18 #255C18

square

#18475C #4F185C #5C2D18 #255C18

split-complementary

#18475C #5C1825 #5C4F18

monochromatic

#061318 #0B222B #18475C #256C8D #3192BD

Accessibility & contrast

On white

10.03

#18475C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#18475C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18475C

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18475C	#FFFFFF	#000000	##FFFFFF
##18475C	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C465D

Deuteranopia (green-blind)

#333F5C

Tritanopia (blue-blind)

#004D4E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #18475c;
/* rgb */ color: rgb(24, 71, 92);
/* oklch */ color: oklch(37.6% 0.061 231.0);

Tailwind

colors: {
  custom: {
    50: '#5f7a8a',
    500: '#18475c',
    950: '#000000',
  },
}

SCSS

$custom: #18475c;
$custom-light: #5f7a8a;
$custom-dark: #000000;

JSON

{
  "hex": "#18475c",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 92
  },
  "hsl": {
    "h": 198.529,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.37618,
    "c": 0.0615,
    "h": 231
  },
  "luminance": 0.05473
}

Semantic roles & 50–950 ramp

primary

#18475C

secondary

#93583D

accent

#7646E2

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #18475C

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

Preview Lab → · Contrast checker → · Palette generator →