#18809B#18809B

#18809B is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.7% C 0.096 H 220.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#18809B
RGB	rgb(24, 128, 155)
HSL	hsl(192, 73%, 35%)
HSV	hsv(192, 85%, 61%)
CMYK	cmyk(84.5%, 17.4%, 0%, 39.2%)
CIE-LAB	lab(49.49, -18.18, -22.42)
CIE-LCH	lch(49.49, 28.86, 230.97°)
OKLab	oklab(55.72% -0.0727 -0.0628)
OKLCH	oklch(55.72% 0.096 220.8)
XYZ	xyz(14.0097, 17.9973, 33.7394)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18809B #9B3318

analogous

#189B74 #18809B #183F9B

triadic

#18809B #9B1880 #809B18

tetradic

#18809B #74189B #9B3318 #3F9B18

square

#18809B #74189B #9B3318 #3F9B18

split-complementary

#18809B #9B183F #9B7418

monochromatic

#082831 #105466 #18809B #20ACD0 #4AC4E3

Accessibility & contrast

On white

4.57

#18809B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#18809B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18809B

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18809B	#FFFFFF	#000000	##000000
##18809B	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707C9C

Deuteranopia (green-blind)

#5F709B

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #18809b;
/* rgb */ color: rgb(24, 128, 155);
/* oklch */ color: oklch(55.7% 0.096 220.8);

Tailwind

colors: {
  custom: {
    50: '#6fa5b8',
    500: '#18809b',
    950: '#000000',
  },
}

SCSS

$custom: #18809b;
$custom-light: #6fa5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#18809b",
  "rgb": {
    "r": 24,
    "g": 128,
    "b": 155
  },
  "hsl": {
    "h": 192.366,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.55716,
    "c": 0.09613,
    "h": 220.8
  },
  "luminance": 0.17999
}

Semantic roles & 50–950 ramp

primary

#18809B

secondary

#C5634A

accent

#5E38F0

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #18809B

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

Preview Lab → · Contrast checker → · Palette generator →