#155B3B#155B3B

#155B3B is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.0% C 0.087 H 158.7°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#155B3B
RGB	rgb(21, 91, 59)
HSL	hsl(153, 63%, 22%)
HSV	hsv(153, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 35.2%, 64.3%)
CIE-LAB	lab(33.89, -29.74, 12.46)
CIE-LCH	lch(33.89, 32.24, 157.26°)
OKLab	oklab(41.98% -0.0808 0.0315)
OKLCH	oklch(41.98% 0.087 158.7)
XYZ	xyz(4.8393, 7.9568, 5.4176)
Luminance	0.0796 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B3B #5B1535

analogous

#155B18 #155B3B #15585B

triadic

#155B3B #3B155B #5B3B15

tetradic

#155B3B #18155B #5B1535 #585B15

square

#155B3B #18155B #5B1535 #585B15

split-complementary

#155B3B #5B1558 #5B1815

monochromatic

#061910 #0A291B #155B3B #208D5B #2CBE7B

Accessibility & contrast

On white

8.10

#155B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#155B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B3B

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B3B	#FFFFFF	#000000	##FFFFFF
##155B3B	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5339

Deuteranopia (green-blind)

#514D3D

Tritanopia (blue-blind)

#005A53

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #155b3b;
/* rgb */ color: rgb(21, 91, 59);
/* oklch */ color: oklch(42.0% 0.087 158.7);

Tailwind

colors: {
  custom: {
    50: '#5e8a71',
    500: '#155b3b',
    950: '#000000',
  },
}

SCSS

$custom: #155b3b;
$custom-light: #5e8a71;
$custom-dark: #000000;

JSON

{
  "hex": "#155b3b",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 59
  },
  "hsl": {
    "h": 152.571,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41983,
    "c": 0.08669,
    "h": 158.7
  },
  "luminance": 0.07957
}

Semantic roles & 50–950 ramp

primary

#155B3B

secondary

#923962

accent

#428DE6

background

#F5F8F6

surface

#EAF0EC

border

#C6CBC7

text

#050C07

muted

#797D7A

Preview Lab

Preview with #155B3B

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

Preview Lab → · Contrast checker → · Palette generator →