#18576D#18576D

#18576D is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.8% C 0.071 H 225.9°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#18576D
RGB	rgb(24, 87, 109)
HSL	hsl(196, 64%, 26%)
HSV	hsv(196, 78%, 43%)
CMYK	cmyk(78%, 20.2%, 0%, 57.3%)
CIE-LAB	lab(34.22, -11.53, -18.26)
CIE-LCH	lch(34.22, 21.60, 237.73°)
OKLab	oklab(42.81% -0.0497 -0.0512)
OKLCH	oklch(42.81% 0.071 225.9)
XYZ	xyz(6.5441, 8.1139, 15.6863)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18576D #6D2E18

analogous

#186D58 #18576D #182C6D

triadic

#18576D #6D1857 #576D18

tetradic

#18576D #58186D #6D2E18 #2C6D18

square

#18576D #58186D #6D2E18 #2C6D18

split-complementary

#18576D #6D182C #6D5818

monochromatic

#061419 #0D2F3B #18576D #237F9F #2EA7D1

Accessibility & contrast

On white

8.01

#18576D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#18576D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18576D

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18576D	#FFFFFF	#000000	##FFFFFF
##18576D	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B556E

Deuteranopia (green-blind)

#404D6D

Tritanopia (blue-blind)

#005D5E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #18576d;
/* rgb */ color: rgb(24, 87, 109);
/* oklch */ color: oklch(42.8% 0.071 225.9);

Tailwind

colors: {
  custom: {
    50: '#638697',
    500: '#18576d',
    950: '#000000',
  },
}

SCSS

$custom: #18576d;
$custom-light: #638697;
$custom-dark: #000000;

JSON

{
  "hex": "#18576d",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 109
  },
  "hsl": {
    "h": 195.529,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.42811,
    "c": 0.07132,
    "h": 225.9
  },
  "luminance": 0.08115
}

Semantic roles & 50–950 ramp

primary

#18576D

secondary

#A3583E

accent

#6C41E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18576D

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

Preview Lab → · Contrast checker → · Palette generator →