#18576C#18576C

#18576C is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.8% C 0.070 H 224.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#18576C
RGB	rgb(24, 87, 108)
HSL	hsl(195, 64%, 26%)
HSV	hsv(195, 78%, 42%)
CMYK	cmyk(77.8%, 19.4%, 0%, 57.6%)
CIE-LAB	lab(34.17, -11.90, -17.71)
CIE-LCH	lch(34.17, 21.33, 236.09°)
OKLab	oklab(42.76% -0.0501 -0.0496)
OKLCH	oklch(42.76% 0.07 224.7)
XYZ	xyz(6.4905, 8.0925, 15.4044)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18576C #6C2D18

analogous

#186C57 #18576C #182D6C

triadic

#18576C #6C1857 #576C18

tetradic

#18576C #57186C #6C2D18 #2D6C18

square

#18576C #57186C #6C2D18 #2D6C18

split-complementary

#18576C #6C182D #6C5718

monochromatic

#061419 #0D2F3A #18576C #237F9E #2EA8D0

Accessibility & contrast

On white

8.02

#18576C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#18576C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18576C

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18576C	#FFFFFF	#000000	##FFFFFF
##18576C	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B556D

Deuteranopia (green-blind)

#404D6C

Tritanopia (blue-blind)

#005D5E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #18576c;
/* rgb */ color: rgb(24, 87, 108);
/* oklch */ color: oklch(42.8% 0.070 224.7);

Tailwind

colors: {
  custom: {
    50: '#638696',
    500: '#18576c',
    950: '#000000',
  },
}

SCSS

$custom: #18576c;
$custom-light: #638696;
$custom-dark: #000000;

JSON

{
  "hex": "#18576c",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 108
  },
  "hsl": {
    "h": 195,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.42761,
    "c": 0.07049,
    "h": 224.7
  },
  "luminance": 0.08093
}

Semantic roles & 50–950 ramp

primary

#18576C

secondary

#A2573E

accent

#6B41E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18576C

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

Preview Lab → · Contrast checker → · Palette generator →