#15566C#15566C

#15566C is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.4% C 0.072 H 225.6°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#15566C
RGB	rgb(21, 86, 108)
HSL	hsl(195, 67%, 25%)
HSV	hsv(195, 81%, 42%)
CMYK	cmyk(80.6%, 20.4%, 0%, 57.6%)
CIE-LAB	lab(33.77, -11.71, -18.34)
CIE-LCH	lch(33.77, 21.76, 237.45°)
OKLab	oklab(42.41% -0.0504 -0.0514)
OKLCH	oklch(42.41% 0.072 225.6)
XYZ	xyz(6.3427, 7.8970, 15.3744)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15566C #6C2B15

analogous

#156C56 #15566C #152B6C

triadic

#15566C #6C1556 #566C15

tetradic

#15566C #56156C #6C2B15 #2B6C15

square

#15566C #56156C #6C2B15 #2B6C15

split-complementary

#15566C #6C152B #6C5615

monochromatic

#05141A #0B2D39 #15566C #1F7F9F #29A8D2

Accessibility & contrast

On white

8.14

#15566C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#15566C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15566C

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15566C	#FFFFFF	#000000	##FFFFFF
##15566C	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A546D

Deuteranopia (green-blind)

#3E4C6C

Tritanopia (blue-blind)

#005C5D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #15566c;
/* rgb */ color: rgb(21, 86, 108);
/* oklch */ color: oklch(42.4% 0.072 225.6);

Tailwind

colors: {
  custom: {
    50: '#628596',
    500: '#15566c',
    950: '#000000',
  },
}

SCSS

$custom: #15566c;
$custom-light: #628596;
$custom-dark: #000000;

JSON

{
  "hex": "#15566c",
  "rgb": {
    "r": 21,
    "g": 86,
    "b": 108
  },
  "hsl": {
    "h": 195.172,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.42414,
    "c": 0.07205,
    "h": 225.6
  },
  "luminance": 0.07898
}

Semantic roles & 50–950 ramp

primary

#15566C

secondary

#A3553A

accent

#693DEA

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15566C

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

Preview Lab → · Contrast checker → · Palette generator →