#155B5D#155B5D

#155B5D is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.1% C 0.066 H 197.9°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#155B5D
RGB	rgb(21, 91, 93)
HSL	hsl(182, 63%, 22%)
HSV	hsv(182, 77%, 36%)
CMYK	cmyk(77.4%, 2.2%, 0%, 63.5%)
CIE-LAB	lab(34.87, -19.88, -7.29)
CIE-LCH	lch(34.87, 21.18, 200.13°)
OKLab	oklab(43.1% -0.0628 -0.0202)
OKLCH	oklch(43.1% 0.066 197.9)
XYZ	xyz(6.0252, 8.4312, 11.6636)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B5D #5D1715

analogous

#155D3B #155B5D #15375D

triadic

#155B5D #5D155B #5B5D15

tetradic

#155B5D #3B155D #5D1715 #375D15

square

#155B5D #3B155D #5D1715 #375D15

split-complementary

#155B5D #5D1537 #5D3B15

monochromatic

#061819 #0A2A2B #155B5D #208C8F #2CBDC1

Accessibility & contrast

On white

7.82

#155B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#155B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B5D

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B5D	#FFFFFF	#000000	##FFFFFF
##155B5D	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54565D

Deuteranopia (green-blind)

#4A4F5D

Tritanopia (blue-blind)

#005E5B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155b5d;
/* rgb */ color: rgb(21, 91, 93);
/* oklch */ color: oklch(43.1% 0.066 197.9);

Tailwind

colors: {
  custom: {
    50: '#60898a',
    500: '#155b5d',
    950: '#000000',
  },
}

SCSS

$custom: #155b5d;
$custom-light: #60898a;
$custom-dark: #000000;

JSON

{
  "hex": "#155b5d",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 93
  },
  "hsl": {
    "h": 181.667,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.43099,
    "c": 0.06601,
    "h": 197.9
  },
  "luminance": 0.08432
}

Semantic roles & 50–950 ramp

primary

#155B5D

secondary

#943C39

accent

#4642E6

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #155B5D

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

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