#13537E#13537E

#13537E is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.6% C 0.094 H 243.8°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#13537E
RGB	rgb(19, 83, 126)
HSL	hsl(204, 74%, 28%)
HSV	hsv(204, 85%, 49%)
CMYK	cmyk(84.9%, 34.1%, 0%, 50.6%)
CIE-LAB	lab(33.63, -3.07, -29.75)
CIE-LCH	lch(33.63, 29.91, 264.10°)
OKLab	oklab(42.58% -0.0416 -0.0846)
OKLCH	oklch(42.58% 0.094 243.8)
XYZ	xyz(7.1262, 7.8304, 20.8705)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13537E #7E3E13

analogous

#137E73 #13537E #131D7E

triadic

#13537E #7E1353 #537E13

tetradic

#13537E #73137E #7E3E13 #1D7E13

square

#13537E #73137E #7E3E13 #1D7E13

split-complementary

#13537E #7E131D #7E7313

monochromatic

#04121B #0B3049 #13537E #1B76B3 #2C97DF

Accessibility & contrast

On white

8.18

#13537E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#13537E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13537E

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13537E	#FFFFFF	#000000	##FFFFFF
##13537E	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5480

Deuteranopia (green-blind)

#304B7D

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #13537e;
/* rgb */ color: rgb(19, 83, 126);
/* oklch */ color: oklch(42.6% 0.094 243.8);

Tailwind

colors: {
  custom: {
    50: '#6583a3',
    500: '#13537e',
    950: '#000000',
  },
}

SCSS

$custom: #13537e;
$custom-light: #6583a3;
$custom-dark: #000000;

JSON

{
  "hex": "#13537e",
  "rgb": {
    "r": 19,
    "g": 83,
    "b": 126
  },
  "hsl": {
    "h": 204.112,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.42583,
    "c": 0.09426,
    "h": 243.8
  },
  "luminance": 0.07831
}

Semantic roles & 50–950 ramp

primary

#13537E

secondary

#B46A39

accent

#8237F0

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#060A0F

muted

#7A7C7F

Preview Lab

Preview with #13537E

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

Preview Lab → · Contrast checker → · Palette generator →