#18778D#18778D

#18778D is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 52.8% C 0.088 H 218.0°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#18778D
RGB	rgb(24, 119, 141)
HSL	hsl(191, 71%, 32%)
HSV	hsv(191, 83%, 55%)
CMYK	cmyk(83%, 15.6%, 0%, 44.7%)
CIE-LAB	lab(46.06, -18.19, -19.47)
CIE-LCH	lch(46.06, 26.65, 226.95°)
OKLab	oklab(52.76% -0.0696 -0.0545)
OKLCH	oklch(52.76% 0.088 218)
XYZ	xyz(11.7792, 15.3094, 27.5283)
Luminance	0.1531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18778D #8D2E18

analogous

#188D69 #18778D #183D8D

triadic

#18778D #8D1877 #778D18

tetradic

#18778D #69188D #8D2E18 #3D8D18

square

#18778D #69188D #8D2E18 #3D8D18

split-complementary

#18778D #8D183D #8D6918

monochromatic

#061F24 #0F4B59 #18778D #21A3C1 #41C1DF

Accessibility & contrast

On white

5.17

#18778D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#18778D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18778D

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18778D	#FFFFFF	#000000	##FFFFFF
##18778D	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69738E

Deuteranopia (green-blind)

#5A688D

Tritanopia (blue-blind)

#007E7E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #18778d;
/* rgb */ color: rgb(24, 119, 141);
/* oklch */ color: oklch(52.8% 0.088 218.0);

Tailwind

colors: {
  custom: {
    50: '#6b9eae',
    500: '#18778d',
    950: '#000000',
  },
}

SCSS

$custom: #18778d;
$custom-light: #6b9eae;
$custom-dark: #000000;

JSON

{
  "hex": "#18778d",
  "rgb": {
    "r": 24,
    "g": 119,
    "b": 141
  },
  "hsl": {
    "h": 191.282,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.52762,
    "c": 0.0884,
    "h": 218
  },
  "luminance": 0.15311
}

Semantic roles & 50–950 ramp

primary

#18778D

secondary

#BF5942

accent

#5C3AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18778D

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

Preview Lab → · Contrast checker → · Palette generator →