#18475A#18475A

#18475A is a dark, muted cyan. Relative luminance 0.054; OKLCH L 37.5% C 0.060 H 228.4°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#18475A
RGB	rgb(24, 71, 90)
HSL	hsl(197, 58%, 22%)
HSV	hsv(197, 73%, 35%)
CMYK	cmyk(73.3%, 21.1%, 0%, 64.7%)
CIE-LAB	lab(27.95, -8.89, -15.90)
CIE-LCH	lch(27.95, 18.21, 240.78°)
OKLab	oklab(37.51% -0.0395 -0.0445)
OKLCH	oklch(37.51% 0.06 228.4)
XYZ	xyz(4.4747, 5.4384, 10.4848)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18475A #5A2B18

analogous

#185A4C #18475A #18265A

triadic

#18475A #5A1847 #475A18

tetradic

#18475A #4C185A #5A2B18 #265A18

square

#18475A #4C185A #5A2B18 #265A18

split-complementary

#18475A #5A1826 #5A4C18

monochromatic

#061318 #0B212A #18475A #256D8A #3293BB

Accessibility & contrast

On white

10.06

#18475A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#18475A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18475A

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18475A	#FFFFFF	#000000	##FFFFFF
##18475A	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D465B

Deuteranopia (green-blind)

#343F5A

Tritanopia (blue-blind)

#004C4D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #18475a;
/* rgb */ color: rgb(24, 71, 90);
/* oklch */ color: oklch(37.5% 0.060 228.4);

Tailwind

colors: {
  custom: {
    50: '#5e7a88',
    500: '#18475a',
    950: '#000000',
  },
}

SCSS

$custom: #18475a;
$custom-light: #5e7a88;
$custom-dark: #000000;

JSON

{
  "hex": "#18475a",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 90
  },
  "hsl": {
    "h": 197.273,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.37513,
    "c": 0.05954,
    "h": 228.4
  },
  "luminance": 0.05439
}

Semantic roles & 50–950 ramp

primary

#18475A

secondary

#91553D

accent

#7347E1

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #18475A

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

Preview Lab → · Contrast checker → · Palette generator →