#18568B#18568B

#18568B is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.3% C 0.107 H 249.0°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#18568B
RGB	rgb(24, 86, 139)
HSL	hsl(208, 71%, 32%)
HSV	hsv(208, 83%, 55%)
CMYK	cmyk(82.7%, 38.1%, 0%, 45.5%)
CIE-LAB	lab(35.43, 0.73, -34.88)
CIE-LCH	lch(35.43, 34.88, 271.19°)
OKLab	oklab(44.27% -0.0382 -0.0995)
OKLCH	oklch(44.27% 0.107 249)
XYZ	xyz(8.3629, 8.7128, 25.6621)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18568B #8B4D18

analogous

#188B87 #18568B #181D8B

triadic

#18568B #8B1856 #568B18

tetradic

#18568B #87188B #8B4D18 #1D8B18

square

#18568B #87188B #8B4D18 #1D8B18

split-complementary

#18568B #8B181D #8B8718

monochromatic

#061523 #0F3657 #18568B #2176BF #3F95DE

Accessibility & contrast

On white

7.66

#18568B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#18568B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18568B

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18568B	#FFFFFF	#000000	##FFFFFF
##18568B	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D598D

Deuteranopia (green-blind)

#2B4F8A

Tritanopia (blue-blind)

#00636A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #18568b;
/* rgb */ color: rgb(24, 86, 139);
/* oklch */ color: oklch(44.3% 0.107 249.0);

Tailwind

colors: {
  custom: {
    50: '#6985ad',
    500: '#18568b',
    950: '#000000',
  },
}

SCSS

$custom: #18568b;
$custom-light: #6985ad;
$custom-dark: #000000;

JSON

{
  "hex": "#18568b",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 139
  },
  "hsl": {
    "h": 207.652,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.44269,
    "c": 0.10656,
    "h": 249
  },
  "luminance": 0.08714
}

Semantic roles & 50–950 ramp

primary

#18568B

secondary

#BE7A40

accent

#8D3AED

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #18568B

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

Preview Lab → · Contrast checker → · Palette generator →