#155D5F#155D5F

#155D5F is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.7% C 0.067 H 197.8°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#155D5F
RGB	rgb(21, 93, 95)
HSL	hsl(182, 64%, 23%)
HSV	hsv(182, 78%, 37%)
CMYK	cmyk(77.9%, 2.1%, 0%, 62.7%)
CIE-LAB	lab(35.62, -20.29, -7.40)
CIE-LCH	lch(35.62, 21.60, 200.03°)
OKLab	oklab(43.74% -0.0641 -0.0205)
OKLCH	oklch(43.74% 0.067 197.8)
XYZ	xyz(6.2882, 8.8136, 12.1940)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D5F #5F1715

analogous

#155F3C #155D5F #15385F

triadic

#155D5F #5F155D #5D5F15

tetradic

#155D5F #3C155F #5F1715 #385F15

square

#155D5F #3C155F #5F1715 #385F15

split-complementary

#155D5F #5F1538 #5F3C15

monochromatic

#061919 #0A2C2D #155D5F #208E91 #2BBFC3

Accessibility & contrast

On white

7.60

#155D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#155D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D5F

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D5F	#FFFFFF	#000000	##FFFFFF
##155D5F	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56585F

Deuteranopia (green-blind)

#4B505F

Tritanopia (blue-blind)

#00605D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155d5f;
/* rgb */ color: rgb(21, 93, 95);
/* oklch */ color: oklch(43.7% 0.067 197.8);

Tailwind

colors: {
  custom: {
    50: '#618b8c',
    500: '#155d5f',
    950: '#000000',
  },
}

SCSS

$custom: #155d5f;
$custom-light: #618b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#155d5f",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 95
  },
  "hsl": {
    "h": 181.622,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43737,
    "c": 0.0673,
    "h": 197.8
  },
  "luminance": 0.08814
}

Semantic roles & 50–950 ramp

primary

#155D5F

secondary

#963C3A

accent

#4541E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050C0C

muted

#7A7D7D

Preview Lab

Preview with #155D5F

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

Preview Lab → · Contrast checker → · Palette generator →