#18758D#18758D

#18758D is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.2% C 0.089 H 220.3°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#18758D
RGB	rgb(24, 117, 141)
HSL	hsl(192, 71%, 32%)
HSV	hsv(192, 83%, 55%)
CMYK	cmyk(83%, 17%, 0%, 44.7%)
CIE-LAB	lab(45.41, -17.09, -20.46)
CIE-LCH	lch(45.41, 26.66, 230.12°)
OKLab	oklab(52.25% -0.0676 -0.0573)
OKLCH	oklch(52.25% 0.089 220.3)
XYZ	xyz(11.5437, 14.8384, 27.4498)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18758D #8D3018

analogous

#188D6B #18758D #183A8D

triadic

#18758D #8D1875 #758D18

tetradic

#18758D #6B188D #8D3018 #3A8D18

square

#18758D #6B188D #8D3018 #3A8D18

split-complementary

#18758D #8D183A #8D6B18

monochromatic

#061E24 #0F4A59 #18758D #21A0C1 #41BEDF

Accessibility & contrast

On white

5.29

#18758D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#18758D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18758D

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18758D	#FFFFFF	#000000	##FFFFFF
##18758D	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66728E

Deuteranopia (green-blind)

#57678D

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #18758d;
/* rgb */ color: rgb(24, 117, 141);
/* oklch */ color: oklch(52.2% 0.089 220.3);

Tailwind

colors: {
  custom: {
    50: '#6b9dae',
    500: '#18758d',
    950: '#000000',
  },
}

SCSS

$custom: #18758d;
$custom-light: #6b9dae;
$custom-dark: #000000;

JSON

{
  "hex": "#18758d",
  "rgb": {
    "r": 24,
    "g": 117,
    "b": 141
  },
  "hsl": {
    "h": 192.308,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.52245,
    "c": 0.08863,
    "h": 220.3
  },
  "luminance": 0.1484
}

Semantic roles & 50–950 ramp

primary

#18758D

secondary

#BF5B42

accent

#5F3AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18758D

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

Preview Lab → · Contrast checker → · Palette generator →