#155F3F#155F3F

#155F3F is a dark, moderate teal. Relative luminance 0.087; OKLCH L 43.3% C 0.089 H 159.8°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#155F3F
RGB	rgb(21, 95, 63)
HSL	hsl(154, 64%, 23%)
HSV	hsv(154, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 33.7%, 62.7%)
CIE-LAB	lab(35.40, -30.57, 12.09)
CIE-LCH	lch(35.40, 32.88, 158.42°)
OKLab	oklab(43.26% -0.0832 0.0306)
OKLCH	oklch(43.26% 0.089 159.8)
XYZ	xyz(5.2981, 8.7021, 6.1021)
Luminance	0.0870 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F3F #5F1535

analogous

#155F1A #155F3F #155A5F

triadic

#155F3F #3F155F #5F3F15

tetradic

#155F3F #1A155F #5F1535 #5A5F15

square

#155F3F #1A155F #5F1535 #5A5F15

split-complementary

#155F3F #5F155A #5F1A15

monochromatic

#061911 #0A2D1E #155F3F #209160 #2BC381

Accessibility & contrast

On white

7.66

#155F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#155F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F3F

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F3F	#FFFFFF	#000000	##FFFFFF
##155F3F	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573D

Deuteranopia (green-blind)

#555141

Tritanopia (blue-blind)

#005F57

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155f3f;
/* rgb */ color: rgb(21, 95, 63);
/* oklch */ color: oklch(43.3% 0.089 159.8);

Tailwind

colors: {
  custom: {
    50: '#5f8d74',
    500: '#155f3f',
    950: '#000000',
  },
}

SCSS

$custom: #155f3f;
$custom-light: #5f8d74;
$custom-dark: #000000;

JSON

{
  "hex": "#155f3f",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 63
  },
  "hsl": {
    "h": 154.054,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43256,
    "c": 0.08862,
    "h": 159.8
  },
  "luminance": 0.08703
}

Semantic roles & 50–950 ramp

primary

#155F3F

secondary

#963A62

accent

#4189E7

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #155F3F

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

Preview Lab → · Contrast checker → · Palette generator →