#15566A#15566A

#15566A is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.3% C 0.070 H 223.3°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#15566A
RGB	rgb(21, 86, 106)
HSL	hsl(194, 67%, 25%)
HSV	hsv(194, 80%, 42%)
CMYK	cmyk(80.2%, 18.9%, 0%, 58.4%)
CIE-LAB	lab(33.68, -12.45, -17.23)
CIE-LCH	lch(33.68, 21.26, 234.13°)
OKLab	oklab(42.31% -0.0513 -0.0482)
OKLCH	oklch(42.31% 0.07 223.3)
XYZ	xyz(6.2375, 7.8549, 14.8203)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15566A #6A2915

analogous

#156A54 #15566A #152B6A

triadic

#15566A #6A1556 #566A15

tetradic

#15566A #54156A #6A2915 #2B6A15

square

#15566A #54156A #6A2915 #2B6A15

split-complementary

#15566A #6A152B #6A5415

monochromatic

#05151A #0B2D37 #15566A #1F7F9D #29A9D0

Accessibility & contrast

On white

8.17

#15566A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#15566A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15566A

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15566A	#FFFFFF	#000000	##FFFFFF
##15566A	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B546B

Deuteranopia (green-blind)

#3F4C6A

Tritanopia (blue-blind)

#005C5C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #15566a;
/* rgb */ color: rgb(21, 86, 106);
/* oklch */ color: oklch(42.3% 0.070 223.3);

Tailwind

colors: {
  custom: {
    50: '#618594',
    500: '#15566a',
    950: '#000000',
  },
}

SCSS

$custom: #15566a;
$custom-light: #618594;
$custom-dark: #000000;

JSON

{
  "hex": "#15566a",
  "rgb": {
    "r": 21,
    "g": 86,
    "b": 106
  },
  "hsl": {
    "h": 194.118,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.42313,
    "c": 0.07042,
    "h": 223.3
  },
  "luminance": 0.07856
}

Semantic roles & 50–950 ramp

primary

#15566A

secondary

#A1523A

accent

#663EEA

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15566A

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

Preview Lab → · Contrast checker → · Palette generator →