#18677C#18677C

#18677C is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 47.8% C 0.079 H 220.3°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#18677C
RGB	rgb(24, 103, 124)
HSL	hsl(193, 68%, 29%)
HSV	hsv(193, 81%, 49%)
CMYK	cmyk(80.6%, 16.9%, 0%, 51.4%)
CIE-LAB	lab(40.16, -15.34, -18.33)
CIE-LCH	lch(40.16, 23.90, 230.08°)
OKLab	oklab(47.79% -0.0604 -0.0513)
OKLCH	oklch(47.79% 0.079 220.3)
XYZ	xyz(8.8635, 11.3488, 20.7883)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18677C #7C2D18

analogous

#187C5F #18677C #18357C

triadic

#18677C #7C1867 #677C18

tetradic

#18677C #5F187C #7C2D18 #357C18

square

#18677C #5F187C #7C2D18 #357C18

split-complementary

#18677C #7C1835 #7C5F18

monochromatic

#05151A #0E3C49 #18677C #2292AF #36B6D8

Accessibility & contrast

On white

6.42

#18677C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#18677C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18677C

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18677C	#FFFFFF	#000000	##FFFFFF
##18677C	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A647D

Deuteranopia (green-blind)

#4D5A7C

Tritanopia (blue-blind)

#006E6E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #18677c;
/* rgb */ color: rgb(24, 103, 124);
/* oklch */ color: oklch(47.8% 0.079 220.3);

Tailwind

colors: {
  custom: {
    50: '#6792a2',
    500: '#18677c',
    950: '#000000',
  },
}

SCSS

$custom: #18677c;
$custom-light: #6792a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18677c",
  "rgb": {
    "r": 24,
    "g": 103,
    "b": 124
  },
  "hsl": {
    "h": 192.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.47792,
    "c": 0.07926,
    "h": 220.3
  },
  "luminance": 0.1135
}

Semantic roles & 50–950 ramp

primary

#18677C

secondary

#B1573F

accent

#623DEA

background

#F6F9F9

surface

#EBF1F2

border

#C6CBCC

text

#070D0F

muted

#7A7E7E

Preview Lab

Preview with #18677C

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

Preview Lab → · Contrast checker → · Palette generator →