#18799F#18799F

#18799F is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.1% C 0.102 H 230.7°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#18799F
RGB	rgb(24, 121, 159)
HSL	hsl(197, 74%, 36%)
HSV	hsv(197, 85%, 62%)
CMYK	cmyk(84.9%, 23.9%, 0%, 37.6%)
CIE-LAB	lab(47.46, -12.84, -27.91)
CIE-LCH	lch(47.46, 30.73, 245.30°)
OKLab	oklab(54.14% -0.0645 -0.0787)
OKLCH	oklch(54.14% 0.102 230.7)
XYZ	xyz(13.4695, 16.3704, 35.2441)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18799F #9F3E18

analogous

#189F81 #18799F #18359F

triadic

#18799F #9F1879 #799F18

tetradic

#18799F #81189F #9F3E18 #359F18

square

#18799F #81189F #9F3E18 #359F18

split-complementary

#18799F #9F1835 #9F8118

monochromatic

#082835 #10516A #18799F #20A1D4 #4DBAE4

Accessibility & contrast

On white

4.91

#18799F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#18799F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18799F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18799F	#FFFFFF	#000000	##FFFFFF
##18799F	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6677A1

Deuteranopia (green-blind)

#546B9E

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #18799f;
/* rgb */ color: rgb(24, 121, 159);
/* oklch */ color: oklch(54.1% 0.102 230.7);

Tailwind

colors: {
  custom: {
    50: '#6f9fbb',
    500: '#18799f',
    950: '#000000',
  },
}

SCSS

$custom: #18799f;
$custom-light: #6f9fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#18799f",
  "rgb": {
    "r": 24,
    "g": 121,
    "b": 159
  },
  "hsl": {
    "h": 196.889,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.5414,
    "c": 0.10173,
    "h": 230.7
  },
  "luminance": 0.16372
}

Semantic roles & 50–950 ramp

primary

#18799F

secondary

#C66F4D

accent

#6B37F0

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #18799F

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

Preview Lab → · Contrast checker → · Palette generator →