#15596E#15596E

#15596E is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.3% C 0.073 H 223.5°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#15596E
RGB	rgb(21, 89, 110)
HSL	hsl(194, 68%, 26%)
HSV	hsv(194, 81%, 43%)
CMYK	cmyk(80.9%, 19.1%, 0%, 56.9%)
CIE-LAB	lab(34.86, -12.74, -17.90)
CIE-LCH	lch(34.86, 21.97, 234.56°)
OKLab	oklab(43.32% -0.0528 -0.0502)
OKLCH	oklch(43.32% 0.073 223.5)
XYZ	xyz(6.6949, 8.4292, 16.0230)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15596E #6E2A15

analogous

#156E56 #15596E #152C6E

triadic

#15596E #6E1559 #596E15

tetradic

#15596E #56156E #6E2A15 #2C6E15

square

#15596E #56156E #6E2A15 #2C6E15

split-complementary

#15596E #6E152C #6E5615

monochromatic

#05151A #0B2F3B #15596E #1F83A1 #29ACD5

Accessibility & contrast

On white

7.82

#15596E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#15596E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15596E

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15596E	#FFFFFF	#000000	##FFFFFF
##15596E	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D576F

Deuteranopia (green-blind)

#414E6E

Tritanopia (blue-blind)

#005F60

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #15596e;
/* rgb */ color: rgb(21, 89, 110);
/* oklch */ color: oklch(43.3% 0.073 223.5);

Tailwind

colors: {
  custom: {
    50: '#628897',
    500: '#15596e',
    950: '#000000',
  },
}

SCSS

$custom: #15596e;
$custom-light: #628897;
$custom-dark: #000000;

JSON

{
  "hex": "#15596e",
  "rgb": {
    "r": 21,
    "g": 89,
    "b": 110
  },
  "hsl": {
    "h": 194.157,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.4332,
    "c": 0.07284,
    "h": 223.5
  },
  "luminance": 0.0843
}

Semantic roles & 50–950 ramp

primary

#15596E

secondary

#A4533A

accent

#663DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15596E

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

Preview Lab → · Contrast checker → · Palette generator →