#155F5F#155F5F

#155F5F is a dark, moderate teal. Relative luminance 0.092; OKLCH L 44.3% C 0.069 H 195.0°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#155F5F
RGB	rgb(21, 95, 95)
HSL	hsl(180, 64%, 23%)
HSV	hsv(180, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 0%, 62.7%)
CIE-LAB	lab(36.31, -21.35, -6.37)
CIE-LCH	lch(36.31, 22.28, 196.62°)
OKLab	oklab(44.29% -0.0663 -0.0177)
OKLCH	oklch(44.29% 0.069 195)
XYZ	xyz(6.4661, 9.1693, 12.2533)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F5F #5F1515

analogous

#155F3A #155F5F #153A5F

triadic

#155F5F #5F155F #5F5F15

tetradic

#155F5F #3A155F #5F1515 #3A5F15

square

#155F5F #3A155F #5F1515 #3A5F15

split-complementary

#155F5F #5F153A #5F3A15

monochromatic

#061919 #0A2D2D #155F5F #209191 #2BC3C3

Accessibility & contrast

On white

7.41

#155F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#155F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F5F

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F5F	#FFFFFF	#000000	##FFFFFF
##155F5F	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585A5F

Deuteranopia (green-blind)

#4D5260

Tritanopia (blue-blind)

#00625F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f5f;
/* rgb */ color: rgb(21, 95, 95);
/* oklch */ color: oklch(44.3% 0.069 195.0);

Tailwind

colors: {
  custom: {
    50: '#618d8c',
    500: '#155f5f',
    950: '#000000',
  },
}

SCSS

$custom: #155f5f;
$custom-light: #618d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#155f5f",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 95
  },
  "hsl": {
    "h": 180,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.44293,
    "c": 0.06866,
    "h": 195
  },
  "luminance": 0.0917
}

Semantic roles & 50–950 ramp

primary

#155F5F

secondary

#963A3A

accent

#4141E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #155F5F

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

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