#18567D#18567D

#18567D is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.4% C 0.089 H 241.3°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#18567D
RGB	rgb(24, 86, 125)
HSL	hsl(203, 68%, 29%)
HSV	hsv(203, 81%, 49%)
CMYK	cmyk(80.8%, 31.2%, 0%, 51%)
CIE-LAB	lab(34.66, -4.81, -27.50)
CIE-LCH	lch(34.66, 27.92, 260.07°)
OKLab	oklab(43.42% -0.0426 -0.0779)
OKLCH	oklch(43.42% 0.089 241.3)
XYZ	xyz(7.4047, 8.3295, 20.6156)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18567D #7D3F18

analogous

#187D72 #18567D #18247D

triadic

#18567D #7D1856 #567D18

tetradic

#18567D #72187D #7D3F18 #247D18

square

#18567D #72187D #7D3F18 #247D18

split-complementary

#18567D #7D1824 #7D7218

monochromatic

#05121A #0E334A #18567D #2279B0 #379AD9

Accessibility & contrast

On white

7.88

#18567D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#18567D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18567D

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18567D	#FFFFFF	#000000	##FFFFFF
##18567D	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44577F

Deuteranopia (green-blind)

#364D7C

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #18567d;
/* rgb */ color: rgb(24, 86, 125);
/* oklch */ color: oklch(43.4% 0.089 241.3);

Tailwind

colors: {
  custom: {
    50: '#6685a3',
    500: '#18567d',
    950: '#000000',
  },
}

SCSS

$custom: #18567d;
$custom-light: #6685a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18567d",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 125
  },
  "hsl": {
    "h": 203.168,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.43415,
    "c": 0.08877,
    "h": 241.3
  },
  "luminance": 0.0833
}

Semantic roles & 50–950 ramp

primary

#18567D

secondary

#B26B3F

accent

#803DEB

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #18567D

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

Preview Lab → · Contrast checker → · Palette generator →