#18788C#18788C

#18788C is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.0% C 0.088 H 216.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#18788C
RGB	rgb(24, 120, 140)
HSL	hsl(190, 71%, 32%)
HSV	hsv(190, 83%, 55%)
CMYK	cmyk(82.9%, 14.3%, 0%, 45.1%)
CIE-LAB	lab(46.34, -19.09, -18.45)
CIE-LCH	lch(46.34, 26.55, 224.02°)
OKLab	oklab(52.98% -0.0711 -0.0515)
OKLCH	oklch(52.98% 0.088 216)
XYZ	xyz(11.8247, 15.5191, 27.1781)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18788C #8C2C18

analogous

#188C66 #18788C #183E8C

triadic

#18788C #8C1878 #788C18

tetradic

#18788C #66188C #8C2C18 #3E8C18

square

#18788C #66188C #8C2C18 #3E8C18

split-complementary

#18788C #8C183E #8C6618

monochromatic

#061E24 #0F4B58 #18788C #21A5C0 #40C3DE

Accessibility & contrast

On white

5.12

#18788C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#18788C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18788C

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18788C	#FFFFFF	#000000	##FFFFFF
##18788C	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A748D

Deuteranopia (green-blind)

#5B698C

Tritanopia (blue-blind)

#007F7E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #18788c;
/* rgb */ color: rgb(24, 120, 140);
/* oklch */ color: oklch(53.0% 0.088 216.0);

Tailwind

colors: {
  custom: {
    50: '#6b9fad',
    500: '#18788c',
    950: '#000000',
  },
}

SCSS

$custom: #18788c;
$custom-light: #6b9fad;
$custom-dark: #000000;

JSON

{
  "hex": "#18788c",
  "rgb": {
    "r": 24,
    "g": 120,
    "b": 140
  },
  "hsl": {
    "h": 190.345,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.52976,
    "c": 0.08779,
    "h": 216
  },
  "luminance": 0.15521
}

Semantic roles & 50–950 ramp

primary

#18788C

secondary

#BF5741

accent

#593AED

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18788C

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

Preview Lab → · Contrast checker → · Palette generator →