#15566E#15566E

#15566E is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.5% C 0.074 H 227.8°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#15566E
RGB	rgb(21, 86, 110)
HSL	hsl(196, 68%, 26%)
HSV	hsv(196, 81%, 43%)
CMYK	cmyk(80.9%, 21.8%, 0%, 56.9%)
CIE-LAB	lab(33.86, -10.96, -19.45)
CIE-LCH	lch(33.86, 22.32, 240.61°)
OKLab	oklab(42.52% -0.0496 -0.0546)
OKLCH	oklch(42.52% 0.074 227.8)
XYZ	xyz(6.4504, 7.9400, 15.9414)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15566E #6E2D15

analogous

#156E59 #15566E #15296E

triadic

#15566E #6E1556 #566E15

tetradic

#15566E #59156E #6E2D15 #296E15

square

#15566E #59156E #6E2D15 #296E15

split-complementary

#15566E #6E1529 #6E5915

monochromatic

#05141A #0B2E3B #15566E #1F7EA1 #29A6D5

Accessibility & contrast

On white

8.11

#15566E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#15566E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15566E

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15566E	#FFFFFF	#000000	##FFFFFF
##15566E	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49546F

Deuteranopia (green-blind)

#3D4C6E

Tritanopia (blue-blind)

#005D5E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #15566e;
/* rgb */ color: rgb(21, 86, 110);
/* oklch */ color: oklch(42.5% 0.074 227.8);

Tailwind

colors: {
  custom: {
    50: '#628597',
    500: '#15566e',
    950: '#000000',
  },
}

SCSS

$custom: #15566e;
$custom-light: #628597;
$custom-dark: #000000;

JSON

{
  "hex": "#15566e",
  "rgb": {
    "r": 21,
    "g": 86,
    "b": 110
  },
  "hsl": {
    "h": 196.18,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.42516,
    "c": 0.0738,
    "h": 227.8
  },
  "luminance": 0.07941
}

Semantic roles & 50–950 ramp

primary

#15566E

secondary

#A4573A

accent

#6C3DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15566E

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

Preview Lab → · Contrast checker → · Palette generator →