#18688D#18688D

#18688D is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.9% C 0.094 H 234.2°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#18688D
RGB	rgb(24, 104, 141)
HSL	hsl(199, 71%, 32%)
HSV	hsv(199, 83%, 55%)
CMYK	cmyk(83%, 26.2%, 0%, 44.7%)
CIE-LAB	lab(41.24, -9.65, -26.92)
CIE-LCH	lch(41.24, 28.60, 250.28°)
OKLab	oklab(48.91% -0.0547 -0.076)
OKLCH	oklch(48.91% 0.094 234.2)
XYZ	xyz(10.1328, 12.0166, 26.9795)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18688D #8D3D18

analogous

#188D77 #18688D #182E8D

triadic

#18688D #8D1868 #688D18

tetradic

#18688D #77188D #8D3D18 #2E8D18

square

#18688D #77188D #8D3D18 #2E8D18

split-complementary

#18688D #8D182E #8D7718

monochromatic

#061B24 #0F4159 #18688D #218FC1 #41ADDF

Accessibility & contrast

On white

6.17

#18688D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#18688D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18688D

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18688D	#FFFFFF	#000000	##FFFFFF
##18688D	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56678F

Deuteranopia (green-blind)

#465D8C

Tritanopia (blue-blind)

#007275

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #18688d;
/* rgb */ color: rgb(24, 104, 141);
/* oklch */ color: oklch(48.9% 0.094 234.2);

Tailwind

colors: {
  custom: {
    50: '#6a93ae',
    500: '#18688d',
    950: '#000000',
  },
}

SCSS

$custom: #18688d;
$custom-light: #6a93ae;
$custom-dark: #000000;

JSON

{
  "hex": "#18688d",
  "rgb": {
    "r": 24,
    "g": 104,
    "b": 141
  },
  "hsl": {
    "h": 198.974,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.48906,
    "c": 0.09367,
    "h": 234.2
  },
  "luminance": 0.12018
}

Semantic roles & 50–950 ramp

primary

#18688D

secondary

#BF6942

accent

#733AEE

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #18688D

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

Preview Lab → · Contrast checker → · Palette generator →