#18819F#18819F

#18819F is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.2% C 0.099 H 223.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#18819F
RGB	rgb(24, 129, 159)
HSL	hsl(193, 74%, 36%)
HSV	hsv(193, 85%, 62%)
CMYK	cmyk(84.9%, 18.9%, 0%, 37.6%)
CIE-LAB	lab(49.97, -17.31, -24.01)
CIE-LCH	lch(49.97, 29.60, 234.21°)
OKLab	oklab(56.16% -0.0721 -0.0674)
OKLCH	oklch(56.16% 0.099 223.1)
XYZ	xyz(14.4823, 18.3961, 35.5817)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18819F #9F3618

analogous

#189F79 #18819F #183E9F

triadic

#18819F #9F1881 #819F18

tetradic

#18819F #79189F #9F3618 #3E9F18

square

#18819F #79189F #9F3618 #3E9F18

split-complementary

#18819F #9F183E #9F7918

monochromatic

#082B35 #10566A #18819F #20ACD4 #4DC3E4

Accessibility & contrast

On white

4.49

#18819F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#18819F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18819F

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18819F	#FFFFFF	#000000	##000000
##18819F	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707EA1

Deuteranopia (green-blind)

#5F719F

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #18819f;
/* rgb */ color: rgb(24, 129, 159);
/* oklch */ color: oklch(56.2% 0.099 223.1);

Tailwind

colors: {
  custom: {
    50: '#6fa5bb',
    500: '#18819f',
    950: '#000000',
  },
}

SCSS

$custom: #18819f;
$custom-light: #6fa5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18819f",
  "rgb": {
    "r": 24,
    "g": 129,
    "b": 159
  },
  "hsl": {
    "h": 193.333,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.56156,
    "c": 0.09871,
    "h": 223.1
  },
  "luminance": 0.18398
}

Semantic roles & 50–950 ramp

primary

#18819F

secondary

#C6684D

accent

#6037F0

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #18819F

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

Preview Lab → · Contrast checker → · Palette generator →