#155B66#155B66

#155B66 is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.5% C 0.068 H 210.5°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#155B66
RGB	rgb(21, 91, 102)
HSL	hsl(188, 66%, 24%)
HSV	hsv(188, 79%, 40%)
CMYK	cmyk(79.4%, 10.8%, 0%, 60%)
CIE-LAB	lab(35.20, -16.78, -12.39)
CIE-LCH	lch(35.20, 20.86, 216.45°)
OKLab	oklab(43.48% -0.0585 -0.0345)
OKLCH	oklch(43.48% 0.068 210.5)
XYZ	xyz(6.4476, 8.6001, 13.8880)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B66 #662015

analogous

#156649 #155B66 #153366

triadic

#155B66 #66155B #5B6615

tetradic

#155B66 #491566 #662015 #336615

square

#155B66 #491566 #662015 #336615

split-complementary

#155B66 #661533 #664915

monochromatic

#051719 #0B2E33 #155B66 #1F8899 #2AB6CC

Accessibility & contrast

On white

7.72

#155B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#155B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B66

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B66	#FFFFFF	#000000	##FFFFFF
##155B66	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525767

Deuteranopia (green-blind)

#474F66

Tritanopia (blue-blind)

#00605E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155b66;
/* rgb */ color: rgb(21, 91, 102);
/* oklch */ color: oklch(43.5% 0.068 210.5);

Tailwind

colors: {
  custom: {
    50: '#618991',
    500: '#155b66',
    950: '#000000',
  },
}

SCSS

$custom: #155b66;
$custom-light: #618991;
$custom-dark: #000000;

JSON

{
  "hex": "#155b66",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 102
  },
  "hsl": {
    "h": 188.148,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.43484,
    "c": 0.06795,
    "h": 210.5
  },
  "luminance": 0.08601
}

Semantic roles & 50–950 ramp

primary

#155B66

secondary

#9D473A

accent

#563FE9

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #155B66

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

Preview Lab → · Contrast checker → · Palette generator →