#18859B#18859B

#18859B is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.0% C 0.096 H 215.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#18859B
RGB	rgb(24, 133, 155)
HSL	hsl(190, 73%, 35%)
HSV	hsv(190, 85%, 61%)
CMYK	cmyk(84.5%, 14.2%, 0%, 39.2%)
CIE-LAB	lab(51.08, -20.86, -19.99)
CIE-LCH	lch(51.08, 28.89, 223.77°)
OKLab	oklab(56.99% -0.0776 -0.0559)
OKLCH	oklch(56.99% 0.096 215.7)
XYZ	xyz(14.6781, 19.3339, 33.9622)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18859B #9B2E18

analogous

#189B6F #18859B #18449B

triadic

#18859B #9B1885 #859B18

tetradic

#18859B #6F189B #9B2E18 #449B18

square

#18859B #6F189B #9B2E18 #449B18

split-complementary

#18859B #9B1844 #9B6F18

monochromatic

#082A31 #105866 #18859B #20B2D0 #4AC9E3

Accessibility & contrast

On white

4.31

#18859B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#18859B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18859B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18859B	#FFFFFF	#000000	##000000
##18859B	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76819C

Deuteranopia (green-blind)

#65749B

Tritanopia (blue-blind)

#008D8C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #18859b;
/* rgb */ color: rgb(24, 133, 155);
/* oklch */ color: oklch(57.0% 0.096 215.7);

Tailwind

colors: {
  custom: {
    50: '#6fa8b8',
    500: '#18859b',
    950: '#000000',
  },
}

SCSS

$custom: #18859b;
$custom-light: #6fa8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#18859b",
  "rgb": {
    "r": 24,
    "g": 133,
    "b": 155
  },
  "hsl": {
    "h": 190.076,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.5699,
    "c": 0.09565,
    "h": 215.7
  },
  "luminance": 0.19336
}

Semantic roles & 50–950 ramp

primary

#18859B

secondary

#C55F4A

accent

#5738F0

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #18859B

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

Preview Lab → · Contrast checker → · Palette generator →