#155F4C#155F4C

#155F4C is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.6% C 0.077 H 171.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#155F4C
RGB	rgb(21, 95, 76)
HSL	hsl(165, 64%, 23%)
HSV	hsv(165, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 20%, 62.7%)
CIE-LAB	lab(35.72, -27.17, 4.56)
CIE-LCH	lch(35.72, 27.55, 170.48°)
OKLab	oklab(43.62% -0.0762 0.0116)
OKLCH	oklch(43.62% 0.077 171.3)
XYZ	xyz(5.7053, 8.8650, 8.2465)
Luminance	0.0887 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F4C #5F1528

analogous

#155F27 #155F4C #154D5F

triadic

#155F4C #4C155F #5F4C15

tetradic

#155F4C #27155F #5F1528 #4D5F15

square

#155F4C #27155F #5F1528 #4D5F15

split-complementary

#155F4C #5F154D #5F2715

monochromatic

#061914 #0A2D24 #155F4C #209174 #2BC39C

Accessibility & contrast

On white

7.57

#155F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#155F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F4C

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F4C	#FFFFFF	#000000	##FFFFFF
##155F4C	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C584B

Deuteranopia (green-blind)

#52514D

Tritanopia (blue-blind)

#00605A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155f4c;
/* rgb */ color: rgb(21, 95, 76);
/* oklch */ color: oklch(43.6% 0.077 171.3);

Tailwind

colors: {
  custom: {
    50: '#5f8d7e',
    500: '#155f4c',
    950: '#000000',
  },
}

SCSS

$custom: #155f4c;
$custom-light: #5f8d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#155f4c",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 76
  },
  "hsl": {
    "h": 164.595,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43622,
    "c": 0.07706,
    "h": 171.3
  },
  "luminance": 0.08866
}

Semantic roles & 50–950 ramp

primary

#155F4C

secondary

#963A51

accent

#416CE7

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C09

muted

#797D7B

Preview Lab

Preview with #155F4C

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

Preview Lab → · Contrast checker → · Palette generator →