#15596C#15596C

#15596C is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.2% C 0.071 H 221.2°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#15596C
RGB	rgb(21, 89, 108)
HSL	hsl(193, 67%, 25%)
HSV	hsv(193, 81%, 42%)
CMYK	cmyk(80.6%, 17.6%, 0%, 57.6%)
CIE-LAB	lab(34.77, -13.47, -16.79)
CIE-LCH	lch(34.77, 21.53, 231.25°)
OKLab	oklab(43.22% -0.0537 -0.047)
OKLCH	oklch(43.22% 0.071 221.2)
XYZ	xyz(6.5873, 8.3861, 15.4560)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15596C #6C2815

analogous

#156C53 #15596C #152E6C

triadic

#15596C #6C1559 #596C15

tetradic

#15596C #53156C #6C2815 #2E6C15

square

#15596C #53156C #6C2815 #2E6C15

split-complementary

#15596C #6C152E #6C5315

monochromatic

#05151A #0B2F39 #15596C #1F839F #29ADD2

Accessibility & contrast

On white

7.84

#15596C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#15596C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15596C

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15596C	#FFFFFF	#000000	##FFFFFF
##15596C	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E576D

Deuteranopia (green-blind)

#424E6C

Tritanopia (blue-blind)

#005F5F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #15596c;
/* rgb */ color: rgb(21, 89, 108);
/* oklch */ color: oklch(43.2% 0.071 221.2);

Tailwind

colors: {
  custom: {
    50: '#628896',
    500: '#15596c',
    950: '#000000',
  },
}

SCSS

$custom: #15596c;
$custom-light: #628896;
$custom-dark: #000000;

JSON

{
  "hex": "#15596c",
  "rgb": {
    "r": 21,
    "g": 89,
    "b": 108
  },
  "hsl": {
    "h": 193.103,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43221,
    "c": 0.07133,
    "h": 221.2
  },
  "luminance": 0.08387
}

Semantic roles & 50–950 ramp

primary

#15596C

secondary

#A3513A

accent

#633DEA

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15596C

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

Preview Lab → · Contrast checker → · Palette generator →