#18495C#18495C

#18495C is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.2% C 0.061 H 227.5°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#18495C
RGB	rgb(24, 73, 92)
HSL	hsl(197, 59%, 23%)
HSV	hsv(197, 74%, 36%)
CMYK	cmyk(73.9%, 20.7%, 0%, 63.9%)
CIE-LAB	lab(28.72, -9.38, -15.99)
CIE-LCH	lch(28.72, 18.54, 239.59°)
OKLab	oklab(38.16% -0.0411 -0.0448)
OKLCH	oklch(38.16% 0.061 227.5)
XYZ	xyz(4.6902, 5.7315, 10.9822)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18495C #5C2B18

analogous

#185C4D #18495C #18275C

triadic

#18495C #5C1849 #495C18

tetradic

#18495C #4D185C #5C2B18 #275C18

square

#18495C #4D185C #5C2B18 #275C18

split-complementary

#18495C #5C1827 #5C4D18

monochromatic

#061318 #0B222B #18495C #25708D #3196BD

Accessibility & contrast

On white

9.78

#18495C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#18495C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18495C

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18495C	#FFFFFF	#000000	##FFFFFF
##18495C	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F485D

Deuteranopia (green-blind)

#36415C

Tritanopia (blue-blind)

#004E4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #18495c;
/* rgb */ color: rgb(24, 73, 92);
/* oklch */ color: oklch(38.2% 0.061 227.5);

Tailwind

colors: {
  custom: {
    50: '#5f7b8a',
    500: '#18495c',
    950: '#000000',
  },
}

SCSS

$custom: #18495c;
$custom-light: #5f7b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#18495c",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 92
  },
  "hsl": {
    "h": 196.765,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.38163,
    "c": 0.06073,
    "h": 227.5
  },
  "luminance": 0.05732
}

Semantic roles & 50–950 ramp

primary

#18495C

secondary

#93553D

accent

#7246E2

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #18495C

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

Preview Lab → · Contrast checker → · Palette generator →