#155B54#155B54

#155B54 is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.8% C 0.068 H 185.1°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#155B54
RGB	rgb(21, 91, 84)
HSL	hsl(174, 63%, 22%)
HSV	hsv(174, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 7.7%, 64.3%)
CIE-LAB	lab(34.56, -22.80, -2.11)
CIE-LCH	lch(34.56, 22.90, 185.28°)
OKLab	oklab(42.75% -0.0674 -0.0061)
OKLCH	oklch(42.75% 0.068 185.1)
XYZ	xyz(5.6498, 8.2810, 9.6864)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B54 #5B151C

analogous

#155B31 #155B54 #153F5B

triadic

#155B54 #54155B #5B5415

tetradic

#155B54 #31155B #5B151C #3F5B15

square

#155B54 #31155B #5B151C #3F5B15

split-complementary

#155B54 #5B153F #5B3115

monochromatic

#061917 #0A2926 #155B54 #208D82 #2CBEB0

Accessibility & contrast

On white

7.91

#155B54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#155B54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B54

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B54	#FFFFFF	#000000	##FFFFFF
##155B54	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565554

Deuteranopia (green-blind)

#4C4E55

Tritanopia (blue-blind)

#005D59

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155b54;
/* rgb */ color: rgb(21, 91, 84);
/* oklch */ color: oklch(42.8% 0.068 185.1);

Tailwind

colors: {
  custom: {
    50: '#5f8a84',
    500: '#155b54',
    950: '#000000',
  },
}

SCSS

$custom: #155b54;
$custom-light: #5f8a84;
$custom-dark: #000000;

JSON

{
  "hex": "#155b54",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 84
  },
  "hsl": {
    "h": 174,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.42752,
    "c": 0.06765,
    "h": 185.1
  },
  "luminance": 0.08282
}

Semantic roles & 50–950 ramp

primary

#155B54

secondary

#923942

accent

#4253E6

background

#F5F8F8

surface

#EAF0EF

border

#C6CBCA

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #155B54

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

Preview Lab → · Contrast checker → · Palette generator →