#155758#155758

#155758 is a dark, moderate teal. Relative luminance 0.077; OKLCH L 41.8% C 0.063 H 196.5°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#155758
RGB	rgb(21, 87, 88)
HSL	hsl(181, 61%, 21%)
HSV	hsv(181, 76%, 35%)
CMYK	cmyk(76.1%, 1.1%, 0%, 65.5%)
CIE-LAB	lab(33.31, -19.39, -6.48)
CIE-LCH	lch(33.31, 20.45, 198.48°)
OKLab	oklab(41.78% -0.0608 -0.018)
OKLCH	oklch(41.78% 0.063 196.5)
XYZ	xyz(5.4781, 7.6798, 10.4243)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155758 #581615

analogous

#155838 #155758 #153658

triadic

#155758 #581557 #575815

tetradic

#155758 #381558 #581615 #365815

square

#155758 #381558 #581615 #365815

split-complementary

#155758 #581536 #583815

monochromatic

#061819 #092627 #155758 #218889 #2DB9BB

Accessibility & contrast

On white

8.28

#155758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#155758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155758

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155758	#FFFFFF	#000000	##FFFFFF
##155758	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515358

Deuteranopia (green-blind)

#474B58

Tritanopia (blue-blind)

#005A57

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #155758;
/* rgb */ color: rgb(21, 87, 88);
/* oklch */ color: oklch(41.8% 0.063 196.5);

Tailwind

colors: {
  custom: {
    50: '#5f8687',
    500: '#155758',
    950: '#000000',
  },
}

SCSS

$custom: #155758;
$custom-light: #5f8687;
$custom-dark: #000000;

JSON

{
  "hex": "#155758",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 88
  },
  "hsl": {
    "h": 180.896,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.41777,
    "c": 0.06337,
    "h": 196.5
  },
  "luminance": 0.0768
}

Semantic roles & 50–950 ramp

primary

#155758

secondary

#903A39

accent

#4643E5

background

#F5F8F8

surface

#EAEFEF

border

#C6CACA

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #155758

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

Preview Lab → · Contrast checker → · Palette generator →