#15586F#15586F

#15586F is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.074 H 226.0°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#15586F
RGB	rgb(21, 88, 111)
HSL	hsl(195, 68%, 26%)
HSV	hsv(195, 81%, 44%)
CMYK	cmyk(81.1%, 20.7%, 0%, 56.5%)
CIE-LAB	lab(34.57, -11.77, -18.97)
CIE-LCH	lch(34.57, 22.33, 238.17°)
OKLab	oklab(43.1% -0.0513 -0.0532)
OKLCH	oklch(43.1% 0.074 226)
XYZ	xyz(6.6670, 8.2858, 16.2838)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15586F #6F2C15

analogous

#156F59 #15586F #152B6F

triadic

#15586F #6F1558 #586F15

tetradic

#15586F #59156F #6F2C15 #2B6F15

square

#15586F #59156F #6F2C15 #2B6F15

split-complementary

#15586F #6F152B #6F5915

monochromatic

#05141A #0B2F3C #15586F #1F81A2 #28AAD6

Accessibility & contrast

On white

7.90

#15586F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#15586F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15586F

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15586F	#FFFFFF	#000000	##FFFFFF
##15586F	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5670

Deuteranopia (green-blind)

#404E6F

Tritanopia (blue-blind)

#005F60

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #15586f;
/* rgb */ color: rgb(21, 88, 111);
/* oklch */ color: oklch(43.1% 0.074 226.0);

Tailwind

colors: {
  custom: {
    50: '#628798',
    500: '#15586f',
    950: '#000000',
  },
}

SCSS

$custom: #15586f;
$custom-light: #628798;
$custom-dark: #000000;

JSON

{
  "hex": "#15586f",
  "rgb": {
    "r": 21,
    "g": 88,
    "b": 111
  },
  "hsl": {
    "h": 195.333,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.43102,
    "c": 0.07395,
    "h": 226
  },
  "luminance": 0.08287
}

Semantic roles & 50–950 ramp

primary

#15586F

secondary

#A5563A

accent

#693DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15586F

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

Preview Lab → · Contrast checker → · Palette generator →