#18677D#18677D

#18677D is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 47.8% C 0.080 H 221.4°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#18677D
RGB	rgb(24, 103, 125)
HSL	hsl(193, 68%, 29%)
HSV	hsv(193, 81%, 49%)
CMYK	cmyk(80.8%, 17.6%, 0%, 51%)
CIE-LAB	lab(40.20, -14.98, -18.88)
CIE-LCH	lch(40.20, 24.10, 231.57°)
OKLab	oklab(47.84% -0.06 -0.0528)
OKLCH	oklch(47.84% 0.08 221.4)
XYZ	xyz(8.9271, 11.3743, 21.1230)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18677D #7D2E18

analogous

#187D61 #18677D #18357D

triadic

#18677D #7D1867 #677D18

tetradic

#18677D #61187D #7D2E18 #357D18

square

#18677D #61187D #7D2E18 #357D18

split-complementary

#18677D #7D1835 #7D6118

monochromatic

#05151A #0E3D4A #18677D #2291B0 #37B5D9

Accessibility & contrast

On white

6.41

#18677D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#18677D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18677D

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18677D	#FFFFFF	#000000	##FFFFFF
##18677D	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A647E

Deuteranopia (green-blind)

#4D5B7D

Tritanopia (blue-blind)

#006E6E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #18677d;
/* rgb */ color: rgb(24, 103, 125);
/* oklch */ color: oklch(47.8% 0.080 221.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18677d",
  "rgb": {
    "r": 24,
    "g": 103,
    "b": 125
  },
  "hsl": {
    "h": 193.069,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.47839,
    "c": 0.07996,
    "h": 221.4
  },
  "luminance": 0.11375
}

Semantic roles & 50–950 ramp

primary

#18677D

secondary

#B2583F

accent

#633DEB

background

#F6F9FA

surface

#EBF1F3

border

#C6CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #18677D

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

Preview Lab → · Contrast checker → · Palette generator →