#18566A#18566A

#18566A is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.4% C 0.069 H 223.9°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#18566A
RGB	rgb(24, 86, 106)
HSL	hsl(195, 63%, 25%)
HSV	hsv(195, 77%, 42%)
CMYK	cmyk(77.4%, 18.9%, 0%, 58.4%)
CIE-LAB	lab(33.75, -12.04, -17.11)
CIE-LCH	lch(33.75, 20.92, 234.85°)
OKLab	oklab(42.39% -0.0498 -0.0479)
OKLCH	oklch(42.39% 0.069 223.9)
XYZ	xyz(6.3049, 7.8896, 14.8234)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18566A #6A2C18

analogous

#186A55 #18566A #182D6A

triadic

#18566A #6A1856 #566A18

tetradic

#18566A #55186A #6A2C18 #2D6A18

square

#18566A #55186A #6A2C18 #2D6A18

split-complementary

#18566A #6A182D #6A5518

monochromatic

#061419 #0D2E38 #18566A #237E9C #2FA7CE

Accessibility & contrast

On white

8.15

#18566A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#18566A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18566A

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18566A	#FFFFFF	#000000	##FFFFFF
##18566A	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B546B

Deuteranopia (green-blind)

#404C6A

Tritanopia (blue-blind)

#005C5C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18566a;
/* rgb */ color: rgb(24, 86, 106);
/* oklch */ color: oklch(42.4% 0.069 223.9);

Tailwind

colors: {
  custom: {
    50: '#628594',
    500: '#18566a',
    950: '#000000',
  },
}

SCSS

$custom: #18566a;
$custom-light: #628594;
$custom-dark: #000000;

JSON

{
  "hex": "#18566a",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 106
  },
  "hsl": {
    "h": 194.634,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.42393,
    "c": 0.06911,
    "h": 223.9
  },
  "luminance": 0.0789
}

Semantic roles & 50–950 ramp

primary

#18566A

secondary

#A0563E

accent

#6A42E6

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18566A

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

Preview Lab → · Contrast checker → · Palette generator →