#18778E#18778E

#18778E is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 52.8% C 0.089 H 219.0°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#18778E
RGB	rgb(24, 119, 142)
HSL	hsl(192, 71%, 33%)
HSV	hsv(192, 83%, 56%)
CMYK	cmyk(83.1%, 16.2%, 0%, 44.3%)
CIE-LAB	lab(46.10, -17.84, -20.00)
CIE-LCH	lch(46.10, 26.80, 228.27°)
OKLab	oklab(52.81% -0.0692 -0.056)
OKLCH	oklch(52.81% 0.089 219)
XYZ	xyz(11.8539, 15.3393, 27.9220)
Luminance	0.1534 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18778E #8E2F18

analogous

#188E6A #18778E #183C8E

triadic

#18778E #8E1877 #778E18

tetradic

#18778E #6A188E #8E2F18 #3C8E18

square

#18778E #6A188E #8E2F18 #3C8E18

split-complementary

#18778E #8E183C #8E6A18

monochromatic

#061F25 #0F4B5A #18778E #21A3C2 #41C0DF

Accessibility & contrast

On white

5.16

#18778E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#18778E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18778E

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18778E	#FFFFFF	#000000	##FFFFFF
##18778E	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69738F

Deuteranopia (green-blind)

#59688E

Tritanopia (blue-blind)

#007F7E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #18778e;
/* rgb */ color: rgb(24, 119, 142);
/* oklch */ color: oklch(52.8% 0.089 219.0);

Tailwind

colors: {
  custom: {
    50: '#6b9eaf',
    500: '#18778e',
    950: '#000000',
  },
}

SCSS

$custom: #18778e;
$custom-light: #6b9eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#18778e",
  "rgb": {
    "r": 24,
    "g": 119,
    "b": 142
  },
  "hsl": {
    "h": 191.695,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.52808,
    "c": 0.08902,
    "h": 219
  },
  "luminance": 0.15341
}

Semantic roles & 50–950 ramp

primary

#18778E

secondary

#C05B42

accent

#5D3AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18778E

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

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