#18556A#18556A

#18556A is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.1% C 0.069 H 225.4°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#18556A
RGB	rgb(24, 85, 106)
HSL	hsl(195, 63%, 25%)
HSV	hsv(195, 77%, 42%)
CMYK	cmyk(77.4%, 19.8%, 0%, 58.4%)
CIE-LAB	lab(33.42, -11.45, -17.62)
CIE-LCH	lch(33.42, 21.02, 236.99°)
OKLab	oklab(42.12% -0.0487 -0.0494)
OKLCH	oklch(42.12% 0.069 225.4)
XYZ	xyz(6.2256, 7.7311, 14.7970)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18556A #6A2D18

analogous

#186A56 #18556A #182C6A

triadic

#18556A #6A1855 #556A18

tetradic

#18556A #56186A #6A2D18 #2C6A18

square

#18556A #56186A #6A2D18 #2C6A18

split-complementary

#18556A #6A182C #6A5618

monochromatic

#061419 #0D2D38 #18556A #237D9C #2FA5CE

Accessibility & contrast

On white

8.25

#18556A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#18556A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18556A

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18556A	#FFFFFF	#000000	##FFFFFF
##18556A	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49536B

Deuteranopia (green-blind)

#3E4B6A

Tritanopia (blue-blind)

#005B5C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18556a;
/* rgb */ color: rgb(24, 85, 106);
/* oklch */ color: oklch(42.1% 0.069 225.4);

Tailwind

colors: {
  custom: {
    50: '#628594',
    500: '#18556a',
    950: '#000000',
  },
}

SCSS

$custom: #18556a;
$custom-light: #628594;
$custom-dark: #000000;

JSON

{
  "hex": "#18556a",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 106
  },
  "hsl": {
    "h": 195.366,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.42124,
    "c": 0.06938,
    "h": 225.4
  },
  "luminance": 0.07732
}

Semantic roles & 50–950 ramp

primary

#18556A

secondary

#A0573E

accent

#6C42E6

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18556A

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

Preview Lab → · Contrast checker → · Palette generator →