#18617D#18617D

#18617D is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.3% C 0.082 H 228.9°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#18617D
RGB	rgb(24, 97, 125)
HSL	hsl(197, 68%, 29%)
HSV	hsv(197, 81%, 49%)
CMYK	cmyk(80.8%, 22.4%, 0%, 51%)
CIE-LAB	lab(38.24, -11.51, -21.91)
CIE-LCH	lch(38.24, 24.75, 242.29°)
OKLab	oklab(46.27% -0.0538 -0.0616)
OKLCH	oklch(46.27% 0.082 228.9)
XYZ	xyz(8.3515, 10.2232, 20.9312)
Luminance	0.1022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18617D #7D3418

analogous

#187D67 #18617D #182F7D

triadic

#18617D #7D1861 #617D18

tetradic

#18617D #67187D #7D3418 #2F7D18

square

#18617D #67187D #7D3418 #2F7D18

split-complementary

#18617D #7D182F #7D6718

monochromatic

#05141A #0E394A #18617D #2289B0 #37ACD9

Accessibility & contrast

On white

6.90

#18617D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#18617D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18617D

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18617D	#FFFFFF	#000000	##FFFFFF
##18617D	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525F7E

Deuteranopia (green-blind)

#45567D

Tritanopia (blue-blind)

#00696A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #18617d;
/* rgb */ color: rgb(24, 97, 125);
/* oklch */ color: oklch(46.3% 0.082 228.9);

Tailwind

colors: {
  custom: {
    50: '#678ea2',
    500: '#18617d',
    950: '#000000',
  },
}

SCSS

$custom: #18617d;
$custom-light: #678ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#18617d",
  "rgb": {
    "r": 24,
    "g": 97,
    "b": 125
  },
  "hsl": {
    "h": 196.634,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.46265,
    "c": 0.08177,
    "h": 228.9
  },
  "luminance": 0.10224
}

Semantic roles & 50–950 ramp

primary

#18617D

secondary

#B25F3F

accent

#6D3DEB

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #18617D

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

Preview Lab → · Contrast checker → · Palette generator →