#18576F#18576F

#18576F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 42.9% C 0.073 H 228.1°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#18576F
RGB	rgb(24, 87, 111)
HSL	hsl(197, 64%, 26%)
HSV	hsv(197, 78%, 44%)
CMYK	cmyk(78.4%, 21.6%, 0%, 56.5%)
CIE-LAB	lab(34.31, -10.79, -19.37)
CIE-LCH	lch(34.31, 22.17, 240.89°)
OKLab	oklab(42.91% -0.0488 -0.0544)
OKLCH	oklch(42.91% 0.073 228.1)
XYZ	xyz(6.6530, 8.1575, 16.2598)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18576F #6F3018

analogous

#186F5C #18576F #182C6F

triadic

#18576F #6F1857 #576F18

tetradic

#18576F #5C186F #6F3018 #2C6F18

square

#18576F #5C186F #6F3018 #2C6F18

split-complementary

#18576F #6F182C #6F5C18

monochromatic

#051419 #0D303D #18576F #237EA1 #2FA5D2

Accessibility & contrast

On white

7.98

#18576F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#18576F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18576F

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18576F	#FFFFFF	#000000	##FFFFFF
##18576F	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5570

Deuteranopia (green-blind)

#3F4D6F

Tritanopia (blue-blind)

#005E5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #18576f;
/* rgb */ color: rgb(24, 87, 111);
/* oklch */ color: oklch(42.9% 0.073 228.1);

Tailwind

colors: {
  custom: {
    50: '#638698',
    500: '#18576f',
    950: '#000000',
  },
}

SCSS

$custom: #18576f;
$custom-light: #638698;
$custom-dark: #000000;

JSON

{
  "hex": "#18576f",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 111
  },
  "hsl": {
    "h": 196.552,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.42912,
    "c": 0.07308,
    "h": 228.1
  },
  "luminance": 0.08158
}

Semantic roles & 50–950 ramp

primary

#18576F

secondary

#A55A3E

accent

#6E40E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18576F

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

Preview Lab → · Contrast checker → · Palette generator →