#18566C#18566C

#18566C is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.5% C 0.071 H 226.2°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#18566C
RGB	rgb(24, 86, 108)
HSL	hsl(196, 64%, 26%)
HSV	hsv(196, 78%, 42%)
CMYK	cmyk(77.8%, 20.4%, 0%, 57.6%)
CIE-LAB	lab(33.84, -11.31, -18.22)
CIE-LCH	lch(33.84, 21.44, 238.18°)
OKLab	oklab(42.49% -0.049 -0.0511)
OKLCH	oklch(42.49% 0.071 226.2)
XYZ	xyz(6.4101, 7.9317, 15.3776)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18566C #6C2E18

analogous

#186C58 #18566C #182C6C

triadic

#18566C #6C1856 #566C18

tetradic

#18566C #58186C #6C2E18 #2C6C18

square

#18566C #58186C #6C2E18 #2C6C18

split-complementary

#18566C #6C182C #6C5818

monochromatic

#061419 #0D2E3A #18566C #237E9E #2EA6D0

Accessibility & contrast

On white

8.12

#18566C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#18566C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18566C

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18566C	#FFFFFF	#000000	##FFFFFF
##18566C	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A546D

Deuteranopia (green-blind)

#3F4C6C

Tritanopia (blue-blind)

#005C5D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #18566c;
/* rgb */ color: rgb(24, 86, 108);
/* oklch */ color: oklch(42.5% 0.071 226.2);

Tailwind

colors: {
  custom: {
    50: '#638596',
    500: '#18566c',
    950: '#000000',
  },
}

SCSS

$custom: #18566c;
$custom-light: #638596;
$custom-dark: #000000;

JSON

{
  "hex": "#18566c",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 108
  },
  "hsl": {
    "h": 195.714,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.42493,
    "c": 0.07078,
    "h": 226.2
  },
  "luminance": 0.07932
}

Semantic roles & 50–950 ramp

primary

#18566C

secondary

#A2583E

accent

#6C41E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18566C

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

Preview Lab → · Contrast checker → · Palette generator →