#18617F#18617F

#18617F is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.4% C 0.084 H 230.7°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#18617F
RGB	rgb(24, 97, 127)
HSL	hsl(197, 68%, 30%)
HSV	hsv(197, 81%, 50%)
CMYK	cmyk(81.1%, 23.6%, 0%, 50.2%)
CIE-LAB	lab(38.33, -10.76, -22.99)
CIE-LCH	lch(38.33, 25.38, 244.92°)
OKLab	oklab(46.37% -0.053 -0.0647)
OKLCH	oklch(46.37% 0.084 230.7)
XYZ	xyz(8.4806, 10.2748, 21.6108)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18617F #7F3618

analogous

#187F6A #18617F #182D7F

triadic

#18617F #7F1861 #617F18

tetradic

#18617F #6A187F #7F3618 #2D7F18

square

#18617F #6A187F #7F3618 #2D7F18

split-complementary

#18617F #7F182D #7F6A18

monochromatic

#05141A #0E3A4C #18617F #2288B2 #38AAD9

Accessibility & contrast

On white

6.87

#18617F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#18617F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18617F

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18617F	#FFFFFF	#000000	##FFFFFF
##18617F	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526080

Deuteranopia (green-blind)

#44567F

Tritanopia (blue-blind)

#00696B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #18617f;
/* rgb */ color: rgb(24, 97, 127);
/* oklch */ color: oklch(46.4% 0.084 230.7);

Tailwind

colors: {
  custom: {
    50: '#678da4',
    500: '#18617f',
    950: '#000000',
  },
}

SCSS

$custom: #18617f;
$custom-light: #678da4;
$custom-dark: #000000;

JSON

{
  "hex": "#18617f",
  "rgb": {
    "r": 24,
    "g": 97,
    "b": 127
  },
  "hsl": {
    "h": 197.476,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.46368,
    "c": 0.08364,
    "h": 230.7
  },
  "luminance": 0.10276
}

Semantic roles & 50–950 ramp

primary

#18617F

secondary

#B3613F

accent

#703DEB

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #18617F

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

Preview Lab → · Contrast checker → · Palette generator →