#155F5D#155F5D

#155F5D is a dark, moderate teal. Relative luminance 0.091; OKLCH L 44.2% C 0.069 H 192.2°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#155F5D
RGB	rgb(21, 95, 93)
HSL	hsl(178, 64%, 23%)
HSV	hsv(178, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 2.1%, 62.7%)
CIE-LAB	lab(36.24, -22.01, -5.23)
CIE-LCH	lch(36.24, 22.62, 193.38°)
OKLab	oklab(44.22% -0.0673 -0.0146)
OKLCH	oklch(44.22% 0.069 192.2)
XYZ	xyz(6.3763, 9.1334, 11.7807)
Luminance	0.0913 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F5D #5F1517

analogous

#155F38 #155F5D #153C5F

triadic

#155F5D #5D155F #5F5D15

tetradic

#155F5D #38155F #5F1517 #3C5F15

square

#155F5D #38155F #5F1517 #3C5F15

split-complementary

#155F5D #5F153C #5F3815

monochromatic

#061919 #0A2D2C #155F5D #20918E #2BC3BF

Accessibility & contrast

On white

7.43

#155F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#155F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F5D

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F5D	#FFFFFF	#000000	##FFFFFF
##155F5D	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595A5D

Deuteranopia (green-blind)

#4E525E

Tritanopia (blue-blind)

#00625E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f5d;
/* rgb */ color: rgb(21, 95, 93);
/* oklch */ color: oklch(44.2% 0.069 192.2);

Tailwind

colors: {
  custom: {
    50: '#618d8a',
    500: '#155f5d',
    950: '#000000',
  },
}

SCSS

$custom: #155f5d;
$custom-light: #618d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#155f5d",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 93
  },
  "hsl": {
    "h": 178.378,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.44215,
    "c": 0.06888,
    "h": 192.2
  },
  "luminance": 0.09134
}

Semantic roles & 50–950 ramp

primary

#155F5D

secondary

#963A3C

accent

#4145E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #155F5D

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

Preview Lab → · Contrast checker → · Palette generator →