#155E58#155E58

#155E58 is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.7% C 0.069 H 186.8°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#155E58
RGB	rgb(21, 94, 88)
HSL	hsl(175, 63%, 23%)
HSV	hsv(175, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 6.4%, 63.1%)
CIE-LAB	lab(35.73, -23.09, -2.88)
CIE-LCH	lch(35.73, 23.27, 187.11°)
OKLab	oklab(43.75% -0.0687 -0.0082)
OKLCH	oklch(43.75% 0.069 186.8)
XYZ	xyz(6.0726, 8.8687, 10.6224)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E58 #5E151B

analogous

#155E33 #155E58 #15405E

triadic

#155E58 #58155E #5E5815

tetradic

#155E58 #33155E #5E151B #405E15

square

#155E58 #33155E #5E151B #405E15

split-complementary

#155E58 #5E1540 #5E3315

monochromatic

#061917 #0A2C29 #155E58 #209087 #2BC2B6

Accessibility & contrast

On white

7.57

#155E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#155E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E58

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E58	#FFFFFF	#000000	##FFFFFF
##155E58	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)

#595858

Deuteranopia (green-blind)

#4E5159

Tritanopia (blue-blind)

#00605C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e58;
/* rgb */ color: rgb(21, 94, 88);
/* oklch */ color: oklch(43.7% 0.069 186.8);

Tailwind

colors: {
  custom: {
    50: '#608c87',
    500: '#155e58',
    950: '#000000',
  },
}

SCSS

$custom: #155e58;
$custom-light: #608c87;
$custom-dark: #000000;

JSON

{
  "hex": "#155e58",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 88
  },
  "hsl": {
    "h": 175.068,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43746,
    "c": 0.06922,
    "h": 186.8
  },
  "luminance": 0.08869
}

Semantic roles & 50–950 ramp

primary

#155E58

secondary

#953941

accent

#414FE7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155E58

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

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