#15565B#15565B

#15565B is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.6% C 0.063 H 202.6°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#15565B
RGB	rgb(21, 86, 91)
HSL	hsl(184, 63%, 22%)
HSV	hsv(184, 77%, 36%)
CMYK	cmyk(76.9%, 5.5%, 0%, 64.3%)
CIE-LAB	lab(33.07, -17.83, -8.73)
CIE-LCH	lch(33.07, 19.85, 206.09°)
OKLab	oklab(41.62% -0.0581 -0.0242)
OKLCH	oklch(41.62% 0.063 202.6)
XYZ	xyz(5.5245, 7.5697, 11.0654)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15565B #5B1A15

analogous

#155B3D #15565B #15335B

triadic

#15565B #5B1556 #565B15

tetradic

#15565B #3D155B #5B1A15 #335B15

square

#15565B #3D155B #5B1A15 #335B15

split-complementary

#15565B #5B1533 #5B3D15

monochromatic

#061719 #0A2729 #15565B #20858D #2CB4BE

Accessibility & contrast

On white

8.35

#15565B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#15565B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15565B

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15565B	#FFFFFF	#000000	##FFFFFF
##15565B	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F525B

Deuteranopia (green-blind)

#454B5B

Tritanopia (blue-blind)

#005A57

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #15565b;
/* rgb */ color: rgb(21, 86, 91);
/* oklch */ color: oklch(41.6% 0.063 202.6);

Tailwind

colors: {
  custom: {
    50: '#5f8689',
    500: '#15565b',
    950: '#000000',
  },
}

SCSS

$custom: #15565b;
$custom-light: #5f8689;
$custom-dark: #000000;

JSON

{
  "hex": "#15565b",
  "rgb": {
    "r": 21,
    "g": 86,
    "b": 91
  },
  "hsl": {
    "h": 184.286,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41621,
    "c": 0.06299,
    "h": 202.6
  },
  "luminance": 0.0757
}

Semantic roles & 50–950 ramp

primary

#15565B

secondary

#924039

accent

#4E42E6

background

#F5F8F8

surface

#EAEFF0

border

#C6CACB

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #15565B

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

Preview Lab → · Contrast checker → · Palette generator →