#15596F#15596F

#15596F is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.4% C 0.074 H 224.6°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#15596F
RGB	rgb(21, 89, 111)
HSL	hsl(195, 68%, 26%)
HSV	hsv(195, 81%, 44%)
CMYK	cmyk(81.1%, 19.8%, 0%, 56.5%)
CIE-LAB	lab(34.91, -12.36, -18.45)
CIE-LCH	lch(34.91, 22.21, 236.18°)
OKLab	oklab(43.37% -0.0524 -0.0517)
OKLCH	oklch(43.37% 0.074 224.6)
XYZ	xyz(6.7497, 8.4511, 16.3113)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15596F #6F2B15

analogous

#156F58 #15596F #152C6F

triadic

#15596F #6F1559 #596F15

tetradic

#15596F #58156F #6F2B15 #2C6F15

square

#15596F #58156F #6F2B15 #2C6F15

split-complementary

#15596F #6F152C #6F5815

monochromatic

#05151A #0B303C #15596F #1F82A2 #28ACD6

Accessibility & contrast

On white

7.81

#15596F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#15596F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15596F

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15596F	#FFFFFF	#000000	##FFFFFF
##15596F	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5770

Deuteranopia (green-blind)

#414E6F

Tritanopia (blue-blind)

#006060

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #15596f;
/* rgb */ color: rgb(21, 89, 111);
/* oklch */ color: oklch(43.4% 0.074 224.6);

Tailwind

colors: {
  custom: {
    50: '#638898',
    500: '#15596f',
    950: '#000000',
  },
}

SCSS

$custom: #15596f;
$custom-light: #638898;
$custom-dark: #000000;

JSON

{
  "hex": "#15596f",
  "rgb": {
    "r": 21,
    "g": 89,
    "b": 111
  },
  "hsl": {
    "h": 194.667,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.43369,
    "c": 0.07364,
    "h": 224.6
  },
  "luminance": 0.08452
}

Semantic roles & 50–950 ramp

primary

#15596F

secondary

#A5553A

accent

#673DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15596F

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

Preview Lab → · Contrast checker → · Palette generator →