#18839F#18839F

#18839F is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.7% C 0.098 H 221.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#18839F
RGB	rgb(24, 131, 159)
HSL	hsl(192, 74%, 36%)
HSV	hsv(192, 85%, 62%)
CMYK	cmyk(84.9%, 17.6%, 0%, 37.6%)
CIE-LAB	lab(50.60, -18.40, -23.04)
CIE-LCH	lch(50.60, 29.49, 231.39°)
OKLab	oklab(56.66% -0.074 -0.0646)
OKLCH	oklch(56.66% 0.098 221.1)
XYZ	xyz(14.7483, 18.9281, 35.6703)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18839F #9F3418

analogous

#189F77 #18839F #18409F

triadic

#18839F #9F1883 #839F18

tetradic

#18839F #77189F #9F3418 #409F18

square

#18839F #77189F #9F3418 #409F18

split-complementary

#18839F #9F1840 #9F7718

monochromatic

#082B35 #10576A #18839F #20AFD4 #4DC5E4

Accessibility & contrast

On white

4.39

#18839F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#18839F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18839F

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18839F	#FFFFFF	#000000	##000000
##18839F	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727FA0

Deuteranopia (green-blind)

#61739F

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #18839f;
/* rgb */ color: rgb(24, 131, 159);
/* oklch */ color: oklch(56.7% 0.098 221.1);

Tailwind

colors: {
  custom: {
    50: '#6fa7bb',
    500: '#18839f',
    950: '#000000',
  },
}

SCSS

$custom: #18839f;
$custom-light: #6fa7bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18839f",
  "rgb": {
    "r": 24,
    "g": 131,
    "b": 159
  },
  "hsl": {
    "h": 192.444,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.56662,
    "c": 0.09826,
    "h": 221.1
  },
  "luminance": 0.1893
}

Semantic roles & 50–950 ramp

primary

#18839F

secondary

#C6664D

accent

#5E37F0

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #18839F

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

Preview Lab → · Contrast checker → · Palette generator →