#155F5A#155F5A

#155F5A is a dark, moderate teal. Relative luminance 0.091; OKLCH L 44.1% C 0.070 H 188.2°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#155F5A
RGB	rgb(21, 95, 90)
HSL	hsl(176, 64%, 23%)
HSV	hsv(176, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 5.3%, 62.7%)
CIE-LAB	lab(36.14, -22.97, -3.52)
CIE-LCH	lch(36.14, 23.24, 188.71°)
OKLab	oklab(44.1% -0.0688 -0.0099)
OKLCH	oklch(44.1% 0.07 188.2)
XYZ	xyz(6.2461, 9.0813, 11.0946)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F5A #5F151A

analogous

#155F35 #155F5A #153F5F

triadic

#155F5A #5A155F #5F5A15

tetradic

#155F5A #35155F #5F151A #3F5F15

square

#155F5A #35155F #5F151A #3F5F15

split-complementary

#155F5A #5F153F #5F3515

monochromatic

#061918 #0A2D2B #155F5A #209189 #2BC3B9

Accessibility & contrast

On white

7.46

#155F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#155F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F5A

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F5A	#FFFFFF	#000000	##FFFFFF
##155F5A	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59595A

Deuteranopia (green-blind)

#4F525B

Tritanopia (blue-blind)

#00625D

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f5a;
/* rgb */ color: rgb(21, 95, 90);
/* oklch */ color: oklch(44.1% 0.070 188.2);

Tailwind

colors: {
  custom: {
    50: '#608d88',
    500: '#155f5a',
    950: '#000000',
  },
}

SCSS

$custom: #155f5a;
$custom-light: #608d88;
$custom-dark: #000000;

JSON

{
  "hex": "#155f5a",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 90
  },
  "hsl": {
    "h": 175.946,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.44101,
    "c": 0.06955,
    "h": 188.2
  },
  "luminance": 0.09082
}

Semantic roles & 50–950 ramp

primary

#155F5A

secondary

#963A40

accent

#414CE7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155F5A

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

Preview Lab → · Contrast checker → · Palette generator →