#18739F#18739F

#18739F is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.6% C 0.105 H 236.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#18739F
RGB	rgb(24, 115, 159)
HSL	hsl(200, 74%, 36%)
HSV	hsv(200, 85%, 62%)
CMYK	cmyk(84.9%, 27.7%, 0%, 37.6%)
CIE-LAB	lab(45.58, -9.37, -30.85)
CIE-LCH	lch(45.58, 32.24, 253.10°)
OKLab	oklab(52.64% -0.0588 -0.0873)
OKLCH	oklch(52.64% 0.105 236)
XYZ	xyz(12.7629, 14.9572, 35.0085)
Luminance	0.1496 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18739F #9F4418

analogous

#189F87 #18739F #182F9F

triadic

#18739F #9F1873 #739F18

tetradic

#18739F #87189F #9F4418 #2F9F18

square

#18739F #87189F #9F4418 #2F9F18

split-complementary

#18739F #9F182F #9F8718

monochromatic

#082635 #104D6A #18739F #2099D4 #4DB3E4

Accessibility & contrast

On white

5.26

#18739F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#18739F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18739F

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18739F	#FFFFFF	#000000	##FFFFFF
##18739F	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E73A1

Deuteranopia (green-blind)

#4C679E

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #18739f;
/* rgb */ color: rgb(24, 115, 159);
/* oklch */ color: oklch(52.6% 0.105 236.0);

Tailwind

colors: {
  custom: {
    50: '#6e9bbb',
    500: '#18739f',
    950: '#000000',
  },
}

SCSS

$custom: #18739f;
$custom-light: #6e9bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#18739f",
  "rgb": {
    "r": 24,
    "g": 115,
    "b": 159
  },
  "hsl": {
    "h": 199.556,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.52639,
    "c": 0.10524,
    "h": 236
  },
  "luminance": 0.14959
}

Semantic roles & 50–950 ramp

primary

#18739F

secondary

#C6744D

accent

#7437F0

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #18739F

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

Preview Lab → · Contrast checker → · Palette generator →