#155F5C#155F5C

#155F5C is a dark, moderate teal. Relative luminance 0.091; OKLCH L 44.2% C 0.069 H 190.9°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#155F5C
RGB	rgb(21, 95, 92)
HSL	hsl(178, 64%, 23%)
HSV	hsv(178, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 3.2%, 62.7%)
CIE-LAB	lab(36.21, -22.33, -4.66)
CIE-LCH	lch(36.21, 22.81, 191.79°)
OKLab	oklab(44.18% -0.0678 -0.013)
OKLCH	oklch(44.18% 0.069 190.9)
XYZ	xyz(6.3323, 9.1158, 11.5489)
Luminance	0.0912 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F5C #5F1518

analogous

#155F37 #155F5C #153D5F

triadic

#155F5C #5C155F #5F5C15

tetradic

#155F5C #37155F #5F1518 #3D5F15

square

#155F5C #37155F #5F1518 #3D5F15

split-complementary

#155F5C #5F153D #5F3715

monochromatic

#061918 #0A2D2B #155F5C #20918D #2BC3BD

Accessibility & contrast

On white

7.44

#155F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#155F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F5C

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F5C	#FFFFFF	#000000	##FFFFFF
##155F5C	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595A5C

Deuteranopia (green-blind)

#4E525D

Tritanopia (blue-blind)

#00625E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f5c;
/* rgb */ color: rgb(21, 95, 92);
/* oklch */ color: oklch(44.2% 0.069 190.9);

Tailwind

colors: {
  custom: {
    50: '#618d8a',
    500: '#155f5c',
    950: '#000000',
  },
}

SCSS

$custom: #155f5c;
$custom-light: #618d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#155f5c",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 92
  },
  "hsl": {
    "h": 177.568,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.44177,
    "c": 0.06907,
    "h": 190.9
  },
  "luminance": 0.09117
}

Semantic roles & 50–950 ramp

primary

#155F5C

secondary

#963A3D

accent

#4148E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155F5C

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

Preview Lab → · Contrast checker → · Palette generator →