#155B58#155B58

#155B58 is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.9% C 0.066 H 190.7°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#155B58
RGB	rgb(21, 91, 88)
HSL	hsl(177, 63%, 22%)
HSV	hsv(177, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 3.3%, 64.3%)
CIE-LAB	lab(34.69, -21.53, -4.42)
CIE-LCH	lch(34.69, 21.98, 191.59°)
OKLab	oklab(42.9% -0.0653 -0.0123)
OKLCH	oklch(42.9% 0.066 190.7)
XYZ	xyz(5.8110, 8.3455, 10.5352)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B58 #5B1518

analogous

#155B35 #155B58 #153B5B

triadic

#155B58 #58155B #5B5815

tetradic

#155B58 #35155B #5B1518 #3B5B15

square

#155B58 #35155B #5B1518 #3B5B15

split-complementary

#155B58 #5B153B #5B3515

monochromatic

#061918 #0A2928 #155B58 #208D88 #2CBEB8

Accessibility & contrast

On white

7.87

#155B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#155B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B58

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B58	#FFFFFF	#000000	##FFFFFF
##155B58	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555658

Deuteranopia (green-blind)

#4B4E59

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155b58;
/* rgb */ color: rgb(21, 91, 88);
/* oklch */ color: oklch(42.9% 0.066 190.7);

Tailwind

colors: {
  custom: {
    50: '#608a87',
    500: '#155b58',
    950: '#000000',
  },
}

SCSS

$custom: #155b58;
$custom-light: #608a87;
$custom-dark: #000000;

JSON

{
  "hex": "#155b58",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 88
  },
  "hsl": {
    "h": 177.429,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.42902,
    "c": 0.06649,
    "h": 190.7
  },
  "luminance": 0.08346
}

Semantic roles & 50–950 ramp

primary

#155B58

secondary

#92393D

accent

#4249E6

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #155B58

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

Preview Lab → · Contrast checker → · Palette generator →