#18535F#18535F

#18535F is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.1% C 0.062 H 214.1°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#18535F
RGB	rgb(24, 83, 95)
HSL	hsl(190, 60%, 23%)
HSV	hsv(190, 75%, 37%)
CMYK	cmyk(74.7%, 12.6%, 0%, 62.7%)
CIE-LAB	lab(32.27, -14.27, -12.46)
CIE-LCH	lch(32.27, 18.94, 221.12°)
OKLab	oklab(41.05% -0.0513 -0.0347)
OKLCH	oklch(41.05% 0.062 214.1)
XYZ	xyz(5.5346, 7.2063, 11.9235)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18535F #5F2418

analogous

#185F47 #18535F #182F5F

triadic

#18535F #5F1853 #535F18

tetradic

#18535F #47185F #5F2418 #2F5F18

square

#18535F #47185F #5F2418 #2F5F18

split-complementary

#18535F #5F182F #5F4718

monochromatic

#061518 #0C282E #18535F #247E90 #31A8C1

Accessibility & contrast

On white

8.60

#18535F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#18535F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18535F

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18535F	#FFFFFF	#000000	##FFFFFF
##18535F	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5060

Deuteranopia (green-blind)

#40495F

Tritanopia (blue-blind)

#005857

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #18535f;
/* rgb */ color: rgb(24, 83, 95);
/* oklch */ color: oklch(41.1% 0.062 214.1);

Tailwind

colors: {
  custom: {
    50: '#60838c',
    500: '#18535f',
    950: '#000000',
  },
}

SCSS

$custom: #18535f;
$custom-light: #60838c;
$custom-dark: #000000;

JSON

{
  "hex": "#18535f",
  "rgb": {
    "r": 24,
    "g": 83,
    "b": 95
  },
  "hsl": {
    "h": 190.141,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.41051,
    "c": 0.06192,
    "h": 214.1
  },
  "luminance": 0.07207
}

Semantic roles & 50–950 ramp

primary

#18535F

secondary

#954C3D

accent

#6045E3

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050A0C

muted

#7A7C7D

Preview Lab

Preview with #18535F

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

Preview Lab → · Contrast checker → · Palette generator →