#18536A#18536A

#18536A is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.6% C 0.070 H 228.4°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#18536A
RGB	rgb(24, 83, 106)
HSL	hsl(197, 63%, 25%)
HSV	hsv(197, 77%, 42%)
CMYK	cmyk(77.4%, 21.7%, 0%, 58.4%)
CIE-LAB	lab(32.75, -10.25, -18.66)
CIE-LCH	lch(32.75, 21.29, 241.22°)
OKLab	oklab(41.59% -0.0465 -0.0524)
OKLCH	oklch(41.59% 0.07 228.4)
XYZ	xyz(6.0704, 7.4206, 14.7453)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18536A #6A2F18

analogous

#186A58 #18536A #182A6A

triadic

#18536A #6A1853 #536A18

tetradic

#18536A #58186A #6A2F18 #2A6A18

square

#18536A #58186A #6A2F18 #2A6A18

split-complementary

#18536A #6A182A #6A5818

monochromatic

#061419 #0D2C38 #18536A #237A9C #2FA1CE

Accessibility & contrast

On white

8.45

#18536A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#18536A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18536A

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18536A	#FFFFFF	#000000	##FFFFFF
##18536A	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47526B

Deuteranopia (green-blind)

#3C4A6A

Tritanopia (blue-blind)

#005A5B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18536a;
/* rgb */ color: rgb(24, 83, 106);
/* oklch */ color: oklch(41.6% 0.070 228.4);

Tailwind

colors: {
  custom: {
    50: '#628394',
    500: '#18536a',
    950: '#000000',
  },
}

SCSS

$custom: #18536a;
$custom-light: #628394;
$custom-dark: #000000;

JSON

{
  "hex": "#18536a",
  "rgb": {
    "r": 24,
    "g": 83,
    "b": 106
  },
  "hsl": {
    "h": 196.829,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.41588,
    "c": 0.07005,
    "h": 228.4
  },
  "luminance": 0.07421
}

Semantic roles & 50–950 ramp

primary

#18536A

secondary

#A0593E

accent

#7042E6

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #18536A

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

Preview Lab → · Contrast checker → · Palette generator →