#155B4C#155B4C

#155B4C is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.5% C 0.072 H 174.9°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#155B4C
RGB	rgb(21, 91, 76)
HSL	hsl(167, 63%, 22%)
HSV	hsv(167, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 16.5%, 64.3%)
CIE-LAB	lab(34.32, -25.22, 2.54)
CIE-LCH	lch(34.32, 25.35, 174.25°)
OKLab	oklab(42.47% -0.0716 0.0063)
OKLCH	oklch(42.47% 0.072 174.9)
XYZ	xyz(5.3542, 8.1628, 8.1295)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B4C #5B1524

analogous

#155B29 #155B4C #15475B

triadic

#155B4C #4C155B #5B4C15

tetradic

#155B4C #29155B #5B1524 #475B15

square

#155B4C #29155B #5B1524 #475B15

split-complementary

#155B4C #5B1547 #5B2915

monochromatic

#061915 #0A2922 #155B4C #208D76 #2CBE9F

Accessibility & contrast

On white

7.98

#155B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#155B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B4C

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B4C	#FFFFFF	#000000	##FFFFFF
##155B4C	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58554B

Deuteranopia (green-blind)

#4E4E4D

Tritanopia (blue-blind)

#005C57

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155b4c;
/* rgb */ color: rgb(21, 91, 76);
/* oklch */ color: oklch(42.5% 0.072 174.9);

Tailwind

colors: {
  custom: {
    50: '#5e8a7e',
    500: '#155b4c',
    950: '#000000',
  },
}

SCSS

$custom: #155b4c;
$custom-light: #5e8a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#155b4c",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 76
  },
  "hsl": {
    "h": 167.143,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.42474,
    "c": 0.07188,
    "h": 174.9
  },
  "luminance": 0.08163
}

Semantic roles & 50–950 ramp

primary

#155B4C

secondary

#92394C

accent

#4265E6

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C09

muted

#797D7B

Preview Lab

Preview with #155B4C

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

Preview Lab → · Contrast checker → · Palette generator →