#18778C#18778C

#18778C is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 52.7% C 0.088 H 217.1°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#18778C
RGB	rgb(24, 119, 140)
HSL	hsl(191, 71%, 32%)
HSV	hsv(191, 83%, 55%)
CMYK	cmyk(82.9%, 15%, 0%, 45.1%)
CIE-LAB	lab(46.02, -18.55, -18.94)
CIE-LCH	lch(46.02, 26.51, 225.61°)
OKLab	oklab(52.72% -0.07 -0.053)
OKLCH	oklch(52.72% 0.088 217.1)
XYZ	xyz(11.7051, 15.2798, 27.1382)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18778C #8C2D18

analogous

#188C67 #18778C #183D8C

triadic

#18778C #8C1877 #778C18

tetradic

#18778C #67188C #8C2D18 #3D8C18

square

#18778C #67188C #8C2D18 #3D8C18

split-complementary

#18778C #8C183D #8C6718

monochromatic

#061E24 #0F4B58 #18778C #21A3C0 #40C2DE

Accessibility & contrast

On white

5.18

#18778C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#18778C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18778C

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18778C	#FFFFFF	#000000	##FFFFFF
##18778C	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69738D

Deuteranopia (green-blind)

#5A688C

Tritanopia (blue-blind)

#007E7E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #18778c;
/* rgb */ color: rgb(24, 119, 140);
/* oklch */ color: oklch(52.7% 0.088 217.1);

Tailwind

colors: {
  custom: {
    50: '#6b9ead',
    500: '#18778c',
    950: '#000000',
  },
}

SCSS

$custom: #18778c;
$custom-light: #6b9ead;
$custom-dark: #000000;

JSON

{
  "hex": "#18778c",
  "rgb": {
    "r": 24,
    "g": 119,
    "b": 140
  },
  "hsl": {
    "h": 190.862,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.52717,
    "c": 0.08782,
    "h": 217.1
  },
  "luminance": 0.15281
}

Semantic roles & 50–950 ramp

primary

#18778C

secondary

#BF5841

accent

#5B3AED

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18778C

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

Preview Lab → · Contrast checker → · Palette generator →