#15596D#15596D

#15596D is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.3% C 0.072 H 222.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#15596D
RGB	rgb(21, 89, 109)
HSL	hsl(194, 68%, 25%)
HSV	hsv(194, 81%, 43%)
CMYK	cmyk(80.7%, 18.3%, 0%, 57.3%)
CIE-LAB	lab(34.82, -13.11, -17.34)
CIE-LCH	lch(34.82, 21.74, 232.92°)
OKLab	oklab(43.27% -0.0532 -0.0486)
OKLCH	oklch(43.27% 0.072 222.4)
XYZ	xyz(6.6408, 8.4075, 15.7378)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15596D #6D2915

analogous

#156D55 #15596D #152D6D

triadic

#15596D #6D1559 #596D15

tetradic

#15596D #55156D #6D2915 #2D6D15

square

#15596D #55156D #6D2915 #2D6D15

split-complementary

#15596D #6D152D #6D5515

monochromatic

#05151A #0B2F3A #15596D #1F83A0 #29ADD4

Accessibility & contrast

On white

7.83

#15596D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#15596D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15596D

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15596D	#FFFFFF	#000000	##FFFFFF
##15596D	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D576E

Deuteranopia (green-blind)

#424E6D

Tritanopia (blue-blind)

#005F5F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #15596d;
/* rgb */ color: rgb(21, 89, 109);
/* oklch */ color: oklch(43.3% 0.072 222.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#15596d",
  "rgb": {
    "r": 21,
    "g": 89,
    "b": 109
  },
  "hsl": {
    "h": 193.636,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.4327,
    "c": 0.07207,
    "h": 222.4
  },
  "luminance": 0.08408
}

Semantic roles & 50–950 ramp

primary

#15596D

secondary

#A3523A

accent

#653DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15596D

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

Preview Lab → · Contrast checker → · Palette generator →