#155E66#155E66

#155E66 is a dark, moderate teal. Relative luminance 0.091; OKLCH L 44.3% C 0.069 H 206.0°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#155E66
RGB	rgb(21, 94, 102)
HSL	hsl(186, 66%, 24%)
HSV	hsv(186, 79%, 40%)
CMYK	cmyk(79.4%, 7.8%, 0%, 60%)
CIE-LAB	lab(36.22, -18.45, -10.85)
CIE-LCH	lch(36.22, 21.40, 210.46°)
OKLab	oklab(44.31% -0.0618 -0.0302)
OKLCH	oklch(44.31% 0.069 206)
XYZ	xyz(6.7092, 9.1233, 13.9752)
Luminance	0.0912 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E66 #661D15

analogous

#156646 #155E66 #153666

triadic

#155E66 #66155E #5E6615

tetradic

#155E66 #461566 #661D15 #366615

square

#155E66 #461566 #661D15 #366615

split-complementary

#155E66 #661536 #664615

monochromatic

#051719 #0B2F33 #155E66 #1F8D99 #2ABCCC

Accessibility & contrast

On white

7.43

#155E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#155E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E66

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E66	#FFFFFF	#000000	##FFFFFF
##155E66	1.00	7.43	2.82	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555A67

Deuteranopia (green-blind)

#4A5266

Tritanopia (blue-blind)

#006260

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155e66;
/* rgb */ color: rgb(21, 94, 102);
/* oklch */ color: oklch(44.3% 0.069 206.0);

Tailwind

colors: {
  custom: {
    50: '#628c91',
    500: '#155e66',
    950: '#000000',
  },
}

SCSS

$custom: #155e66;
$custom-light: #628c91;
$custom-dark: #000000;

JSON

{
  "hex": "#155e66",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 102
  },
  "hsl": {
    "h": 185.926,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.44307,
    "c": 0.0688,
    "h": 206
  },
  "luminance": 0.09124
}

Semantic roles & 50–950 ramp

primary

#155E66

secondary

#9D443A

accent

#503FE9

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #155E66

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

Preview Lab → · Contrast checker → · Palette generator →