#18758A#18758A

#18758A is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.1% C 0.087 H 217.5°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#18758A
RGB	rgb(24, 117, 138)
HSL	hsl(191, 70%, 32%)
HSV	hsv(191, 83%, 54%)
CMYK	cmyk(82.6%, 15.2%, 0%, 45.9%)
CIE-LAB	lab(45.29, -18.15, -18.87)
CIE-LCH	lch(45.29, 26.18, 226.10°)
OKLab	oklab(52.11% -0.0689 -0.0528)
OKLCH	oklch(52.11% 0.087 217.5)
XYZ	xyz(11.3235, 14.7503, 26.2901)
Luminance	0.1475 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18758A #8A2D18

analogous

#188A66 #18758A #183C8A

triadic

#18758A #8A1875 #758A18

tetradic

#18758A #66188A #8A2D18 #3C8A18

square

#18758A #66188A #8A2D18 #3C8A18

split-complementary

#18758A #8A183C #8A6618

monochromatic

#061D22 #0F4956 #18758A #21A1BE #3FC0DE

Accessibility & contrast

On white

5.32

#18758A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#18758A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18758A

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18758A	#FFFFFF	#000000	##FFFFFF
##18758A	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67718B

Deuteranopia (green-blind)

#58668A

Tritanopia (blue-blind)

#007C7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #18758a;
/* rgb */ color: rgb(24, 117, 138);
/* oklch */ color: oklch(52.1% 0.087 217.5);

Tailwind

colors: {
  custom: {
    50: '#6b9dac',
    500: '#18758a',
    950: '#000000',
  },
}

SCSS

$custom: #18758a;
$custom-light: #6b9dac;
$custom-dark: #000000;

JSON

{
  "hex": "#18758a",
  "rgb": {
    "r": 24,
    "g": 117,
    "b": 138
  },
  "hsl": {
    "h": 191.053,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52107,
    "c": 0.08676,
    "h": 217.5
  },
  "luminance": 0.14752
}

Semantic roles & 50–950 ramp

primary

#18758A

secondary

#BD5740

accent

#5C3BED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #18758A

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

Preview Lab → · Contrast checker → · Palette generator →