#155C5E#155C5E

#155C5E is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.4% C 0.067 H 197.8°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#155C5E
RGB	rgb(21, 92, 94)
HSL	hsl(182, 63%, 23%)
HSV	hsv(182, 78%, 37%)
CMYK	cmyk(77.7%, 2.1%, 0%, 63.1%)
CIE-LAB	lab(35.24, -20.08, -7.34)
CIE-LCH	lch(35.24, 21.38, 200.08°)
OKLab	oklab(43.42% -0.0635 -0.0204)
OKLCH	oklch(43.42% 0.067 197.8)
XYZ	xyz(6.1559, 8.6211, 11.9271)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C5E #5E1715

analogous

#155E3C #155C5E #15375E

triadic

#155C5E #5E155C #5C5E15

tetradic

#155C5E #3C155E #5E1715 #375E15

square

#155C5E #3C155E #5E1715 #375E15

split-complementary

#155C5E #5E1537 #5E3C15

monochromatic

#061819 #0A2B2C #155C5E #208D90 #2BBEC2

Accessibility & contrast

On white

7.71

#155C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#155C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C5E

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C5E	#FFFFFF	#000000	##FFFFFF
##155C5E	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55575E

Deuteranopia (green-blind)

#4A505E

Tritanopia (blue-blind)

#005F5C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155c5e;
/* rgb */ color: rgb(21, 92, 94);
/* oklch */ color: oklch(43.4% 0.067 197.8);

Tailwind

colors: {
  custom: {
    50: '#608a8b',
    500: '#155c5e',
    950: '#000000',
  },
}

SCSS

$custom: #155c5e;
$custom-light: #608a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#155c5e",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 94
  },
  "hsl": {
    "h": 181.644,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43419,
    "c": 0.06666,
    "h": 197.8
  },
  "luminance": 0.08622
}

Semantic roles & 50–950 ramp

primary

#155C5E

secondary

#953C39

accent

#4641E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050C0C

muted

#7A7D7D

Preview Lab

Preview with #155C5E

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

Preview Lab → · Contrast checker → · Palette generator →