#18536C#18536C

#18536C is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.7% C 0.072 H 230.5°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#18536C
RGB	rgb(24, 83, 108)
HSL	hsl(198, 64%, 26%)
HSV	hsv(198, 78%, 42%)
CMYK	cmyk(77.8%, 23.1%, 0%, 57.6%)
CIE-LAB	lab(32.84, -9.50, -19.77)
CIE-LCH	lch(32.84, 21.94, 244.34°)
OKLab	oklab(41.69% -0.0457 -0.0556)
OKLCH	oklch(41.69% 0.072 230.5)
XYZ	xyz(6.1756, 7.4627, 15.2994)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18536C #6C3118

analogous

#186C5B #18536C #18296C

triadic

#18536C #6C1853 #536C18

tetradic

#18536C #5B186C #6C3118 #296C18

square

#18536C #5B186C #6C3118 #296C18

split-complementary

#18536C #6C1829 #6C5B18

monochromatic

#061319 #0D2D3A #18536C #23799E #2EA0D0

Accessibility & contrast

On white

8.42

#18536C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#18536C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18536C

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18536C	#FFFFFF	#000000	##FFFFFF
##18536C	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46526D

Deuteranopia (green-blind)

#3B4A6C

Tritanopia (blue-blind)

#005A5B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18536c;
/* rgb */ color: rgb(24, 83, 108);
/* oklch */ color: oklch(41.7% 0.072 230.5);

Tailwind

colors: {
  custom: {
    50: '#628396',
    500: '#18536c',
    950: '#000000',
  },
}

SCSS

$custom: #18536c;
$custom-light: #628396;
$custom-dark: #000000;

JSON

{
  "hex": "#18536c",
  "rgb": {
    "r": 24,
    "g": 83,
    "b": 108
  },
  "hsl": {
    "h": 197.857,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.41691,
    "c": 0.07195,
    "h": 230.5
  },
  "luminance": 0.07463
}

Semantic roles & 50–950 ramp

primary

#18536C

secondary

#A25C3E

accent

#7241E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #18536C

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

Preview Lab → · Contrast checker → · Palette generator →