#13637F#13637F

#13637F is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.8% C 0.084 H 227.5°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#13637F
RGB	rgb(19, 99, 127)
HSL	hsl(196, 74%, 29%)
HSV	hsv(196, 85%, 50%)
CMYK	cmyk(85%, 22%, 0%, 50.2%)
CIE-LAB	lab(38.89, -12.46, -22.13)
CIE-LCH	lch(38.89, 25.40, 240.61°)
OKLab	oklab(46.79% -0.057 -0.0622)
OKLCH	oklch(46.79% 0.084 227.5)
XYZ	xyz(8.5596, 10.5934, 21.6681)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13637F #7F2F13

analogous

#137F65 #13637F #132D7F

triadic

#13637F #7F1363 #637F13

tetradic

#13637F #65137F #7F2F13 #2D7F13

square

#13637F #65137F #7F2F13 #2D7F13

split-complementary

#13637F #7F132D #7F6513

monochromatic

#04151B #0B394A #13637F #1B8CB4 #2DB1E0

Accessibility & contrast

On white

6.73

#13637F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#13637F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #13637F

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13637F	#FFFFFF	#000000	##FFFFFF
##13637F	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546180

Deuteranopia (green-blind)

#46577F

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #13637f;
/* rgb */ color: rgb(19, 99, 127);
/* oklch */ color: oklch(46.8% 0.084 227.5);

Tailwind

colors: {
  custom: {
    50: '#668fa4',
    500: '#13637f',
    950: '#000000',
  },
}

SCSS

$custom: #13637f;
$custom-light: #668fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#13637f",
  "rgb": {
    "r": 19,
    "g": 99,
    "b": 127
  },
  "hsl": {
    "h": 195.556,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.46785,
    "c": 0.0844,
    "h": 227.5
  },
  "luminance": 0.10594
}

Semantic roles & 50–950 ramp

primary

#13637F

secondary

#B45939

accent

#6737F1

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #13637F

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

Preview Lab → · Contrast checker → · Palette generator →