#18586C#18586C

#18586C is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.0% C 0.070 H 223.2°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#18586C
RGB	rgb(24, 88, 108)
HSL	hsl(194, 64%, 26%)
HSV	hsv(194, 78%, 42%)
CMYK	cmyk(77.8%, 18.5%, 0%, 57.6%)
CIE-LAB	lab(34.51, -12.49, -17.19)
CIE-LCH	lch(34.51, 21.25, 233.99°)
OKLab	oklab(43.03% -0.0512 -0.0481)
OKLCH	oklch(43.03% 0.07 223.2)
XYZ	xyz(6.5721, 8.2556, 15.4316)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18586C #6C2C18

analogous

#186C56 #18586C #182E6C

triadic

#18586C #6C1858 #586C18

tetradic

#18586C #56186C #6C2C18 #2E6C18

square

#18586C #56186C #6C2C18 #2E6C18

split-complementary

#18586C #6C182E #6C5618

monochromatic

#061419 #0D2F3A #18586C #23819E #2EAAD0

Accessibility & contrast

On white

7.92

#18586C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#18586C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18586C

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18586C	#FFFFFF	#000000	##FFFFFF
##18586C	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D566D

Deuteranopia (green-blind)

#414E6C

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #18586c;
/* rgb */ color: rgb(24, 88, 108);
/* oklch */ color: oklch(43.0% 0.070 223.2);

Tailwind

colors: {
  custom: {
    50: '#638796',
    500: '#18586c',
    950: '#000000',
  },
}

SCSS

$custom: #18586c;
$custom-light: #638796;
$custom-dark: #000000;

JSON

{
  "hex": "#18586c",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 108
  },
  "hsl": {
    "h": 194.286,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.43029,
    "c": 0.07024,
    "h": 223.2
  },
  "luminance": 0.08256
}

Semantic roles & 50–950 ramp

primary

#18586C

secondary

#A2563E

accent

#6941E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18586C

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

Preview Lab → · Contrast checker → · Palette generator →