#18657F#18657F

#18657F is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.4% C 0.082 H 225.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#18657F
RGB	rgb(24, 101, 127)
HSL	hsl(195, 68%, 30%)
HSV	hsv(195, 81%, 50%)
CMYK	cmyk(81.1%, 20.5%, 0%, 50.2%)
CIE-LAB	lab(39.64, -13.10, -20.97)
CIE-LCH	lch(39.64, 24.72, 237.99°)
OKLab	oklab(47.41% -0.0571 -0.0588)
OKLCH	oklch(47.41% 0.082 225.9)
XYZ	xyz(8.8595, 11.0328, 21.7372)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18657F #7F3218

analogous

#187F66 #18657F #18317F

triadic

#18657F #7F1865 #657F18

tetradic

#18657F #66187F #7F3218 #317F18

square

#18657F #66187F #7F3218 #317F18

split-complementary

#18657F #7F1831 #7F6618

monochromatic

#05141A #0E3C4C #18657F #228EB2 #38B1D9

Accessibility & contrast

On white

6.55

#18657F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#18657F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18657F

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18657F	#FFFFFF	#000000	##FFFFFF
##18657F	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576380

Deuteranopia (green-blind)

#49597F

Tritanopia (blue-blind)

#006D6E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #18657f;
/* rgb */ color: rgb(24, 101, 127);
/* oklch */ color: oklch(47.4% 0.082 225.9);

Tailwind

colors: {
  custom: {
    50: '#6791a4',
    500: '#18657f',
    950: '#000000',
  },
}

SCSS

$custom: #18657f;
$custom-light: #6791a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18657f",
  "rgb": {
    "r": 24,
    "g": 101,
    "b": 127
  },
  "hsl": {
    "h": 195.146,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.47412,
    "c": 0.08201,
    "h": 225.9
  },
  "luminance": 0.11034
}

Semantic roles & 50–950 ramp

primary

#18657F

secondary

#B35D3F

accent

#693DEB

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #18657F

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

Preview Lab → · Contrast checker → · Palette generator →