#18657E#18657E

#18657E is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.4% C 0.081 H 224.9°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#18657E
RGB	rgb(24, 101, 126)
HSL	hsl(195, 68%, 29%)
HSV	hsv(195, 81%, 49%)
CMYK	cmyk(81%, 19.8%, 0%, 50.6%)
CIE-LAB	lab(39.59, -13.47, -20.43)
CIE-LCH	lch(39.59, 24.47, 236.60°)
OKLab	oklab(47.36% -0.0575 -0.0573)
OKLCH	oklch(47.36% 0.081 224.9)
XYZ	xyz(8.7947, 11.0068, 21.3956)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18657E #7E3118

analogous

#187E64 #18657E #18327E

triadic

#18657E #7E1865 #657E18

tetradic

#18657E #64187E #7E3118 #327E18

square

#18657E #64187E #7E3118 #327E18

split-complementary

#18657E #7E1832 #7E6418

monochromatic

#05151A #0E3C4B #18657E #228EB1 #37B1D9

Accessibility & contrast

On white

6.56

#18657E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#18657E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18657E

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18657E	#FFFFFF	#000000	##FFFFFF
##18657E	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57637F

Deuteranopia (green-blind)

#4A597E

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #18657e;
/* rgb */ color: rgb(24, 101, 126);
/* oklch */ color: oklch(47.4% 0.081 224.9);

Tailwind

colors: {
  custom: {
    50: '#6791a3',
    500: '#18657e',
    950: '#000000',
  },
}

SCSS

$custom: #18657e;
$custom-light: #6791a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18657e",
  "rgb": {
    "r": 24,
    "g": 101,
    "b": 126
  },
  "hsl": {
    "h": 194.706,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.47362,
    "c": 0.08118,
    "h": 224.9
  },
  "luminance": 0.11008
}

Semantic roles & 50–950 ramp

primary

#18657E

secondary

#B25C3F

accent

#683DEB

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #18657E

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

Preview Lab → · Contrast checker → · Palette generator →