#155B4D#155B4D

#155B4D is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.5% C 0.071 H 176.1°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#155B4D
RGB	rgb(21, 91, 77)
HSL	hsl(168, 63%, 22%)
HSV	hsv(168, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 15.4%, 64.3%)
CIE-LAB	lab(34.35, -24.93, 1.96)
CIE-LCH	lch(34.35, 25.01, 175.51°)
OKLab	oklab(42.51% -0.0711 0.0048)
OKLCH	oklch(42.51% 0.071 176.1)
XYZ	xyz(5.3892, 8.1768, 8.3140)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B4D #5B1523

analogous

#155B2A #155B4D #15465B

triadic

#155B4D #4D155B #5B4D15

tetradic

#155B4D #2A155B #5B1523 #465B15

square

#155B4D #2A155B #5B1523 #465B15

split-complementary

#155B4D #5B1546 #5B2A15

monochromatic

#061915 #0A2923 #155B4D #208D77 #2CBEA1

Accessibility & contrast

On white

7.97

#155B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#155B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B4D

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B4D	#FFFFFF	#000000	##FFFFFF
##155B4D	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57554C

Deuteranopia (green-blind)

#4E4E4E

Tritanopia (blue-blind)

#005C57

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155b4d;
/* rgb */ color: rgb(21, 91, 77);
/* oklch */ color: oklch(42.5% 0.071 176.1);

Tailwind

colors: {
  custom: {
    50: '#5f8a7e',
    500: '#155b4d',
    950: '#000000',
  },
}

SCSS

$custom: #155b4d;
$custom-light: #5f8a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#155b4d",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 77
  },
  "hsl": {
    "h": 168,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.42507,
    "c": 0.07123,
    "h": 176.1
  },
  "luminance": 0.08177
}

Semantic roles & 50–950 ramp

primary

#155B4D

secondary

#92394B

accent

#4263E6

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C0A

muted

#797D7C

Preview Lab

Preview with #155B4D

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

Preview Lab → · Contrast checker → · Palette generator →