#18789F#18789F

#18789F is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.9% C 0.102 H 231.6°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#18789F
RGB	rgb(24, 120, 159)
HSL	hsl(197, 74%, 36%)
HSV	hsv(197, 85%, 62%)
CMYK	cmyk(84.9%, 24.5%, 0%, 37.6%)
CIE-LAB	lab(47.14, -12.27, -28.40)
CIE-LCH	lch(47.14, 30.94, 246.64°)
OKLab	oklab(53.89% -0.0635 -0.0801)
OKLCH	oklch(53.89% 0.102 231.6)
XYZ	xyz(13.3486, 16.1286, 35.2038)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18789F #9F3F18

analogous

#189F82 #18789F #18359F

triadic

#18789F #9F1878 #789F18

tetradic

#18789F #82189F #9F3F18 #359F18

square

#18789F #82189F #9F3F18 #359F18

split-complementary

#18789F #9F1835 #9F8218

monochromatic

#082835 #10506A #18789F #20A0D4 #4DB9E4

Accessibility & contrast

On white

4.97

#18789F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#18789F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18789F

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18789F	#FFFFFF	#000000	##FFFFFF
##18789F	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6477A1

Deuteranopia (green-blind)

#536A9E

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #18789f;
/* rgb */ color: rgb(24, 120, 159);
/* oklch */ color: oklch(53.9% 0.102 231.6);

Tailwind

colors: {
  custom: {
    50: '#6f9fbb',
    500: '#18789f',
    950: '#000000',
  },
}

SCSS

$custom: #18789f;
$custom-light: #6f9fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#18789f",
  "rgb": {
    "r": 24,
    "g": 120,
    "b": 159
  },
  "hsl": {
    "h": 197.333,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.53889,
    "c": 0.10224,
    "h": 231.6
  },
  "luminance": 0.1613
}

Semantic roles & 50–950 ramp

primary

#18789F

secondary

#C6704D

accent

#6D37F0

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #18789F

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

Preview Lab → · Contrast checker → · Palette generator →