#18657C#18657C

#18657C is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.3% C 0.080 H 222.9°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#18657C
RGB	rgb(24, 101, 124)
HSL	hsl(194, 68%, 29%)
HSV	hsv(194, 81%, 49%)
CMYK	cmyk(80.6%, 18.5%, 0%, 51.4%)
CIE-LAB	lab(39.51, -14.20, -19.34)
CIE-LCH	lch(39.51, 24.00, 233.72°)
OKLab	oklab(47.27% -0.0583 -0.0542)
OKLCH	oklch(47.27% 0.08 222.9)
XYZ	xyz(8.6669, 10.9557, 20.7228)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18657C #7C2F18

analogous

#187C61 #18657C #18337C

triadic

#18657C #7C1865 #657C18

tetradic

#18657C #61187C #7C2F18 #337C18

square

#18657C #61187C #7C2F18 #337C18

split-complementary

#18657C #7C1833 #7C6118

monochromatic

#05151A #0E3B49 #18657C #228FAF #36B3D8

Accessibility & contrast

On white

6.58

#18657C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#18657C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18657C

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18657C	#FFFFFF	#000000	##FFFFFF
##18657C	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58627D

Deuteranopia (green-blind)

#4A597C

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #18657c;
/* rgb */ color: rgb(24, 101, 124);
/* oklch */ color: oklch(47.3% 0.080 222.9);

Tailwind

colors: {
  custom: {
    50: '#6791a2',
    500: '#18657c',
    950: '#000000',
  },
}

SCSS

$custom: #18657c;
$custom-light: #6791a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18657c",
  "rgb": {
    "r": 24,
    "g": 101,
    "b": 124
  },
  "hsl": {
    "h": 193.8,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.47265,
    "c": 0.07962,
    "h": 222.9
  },
  "luminance": 0.10957
}

Semantic roles & 50–950 ramp

primary

#18657C

secondary

#B1593F

accent

#653DEA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #18657C

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

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