#155A63#155A63

#155A63 is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.1% C 0.067 H 207.9°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#155A63
RGB	rgb(21, 90, 99)
HSL	hsl(187, 65%, 24%)
HSV	hsv(187, 79%, 39%)
CMYK	cmyk(78.8%, 9.1%, 0%, 61.2%)
CIE-LAB	lab(34.75, -17.28, -11.22)
CIE-LCH	lch(34.75, 20.60, 212.99°)
OKLab	oklab(43.08% -0.0588 -0.0312)
OKLCH	oklch(43.08% 0.067 207.9)
XYZ	xyz(6.2166, 8.3719, 13.0903)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A63 #631E15

analogous

#156345 #155A63 #153363

triadic

#155A63 #63155A #5A6315

tetradic

#155A63 #451563 #631E15 #336315

square

#155A63 #451563 #631E15 #336315

split-complementary

#155A63 #631533 #634515

monochromatic

#051719 #0A2C31 #155A63 #208895 #2AB6C8

Accessibility & contrast

On white

7.85

#155A63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#155A63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A63

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A63	#FFFFFF	#000000	##FFFFFF
##155A63	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515664

Deuteranopia (green-blind)

#474E63

Tritanopia (blue-blind)

#005E5D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155a63;
/* rgb */ color: rgb(21, 90, 99);
/* oklch */ color: oklch(43.1% 0.067 207.9);

Tailwind

colors: {
  custom: {
    50: '#61898f',
    500: '#155a63',
    950: '#000000',
  },
}

SCSS

$custom: #155a63;
$custom-light: #61898f;
$custom-dark: #000000;

JSON

{
  "hex": "#155a63",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 99
  },
  "hsl": {
    "h": 186.923,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.43076,
    "c": 0.06658,
    "h": 207.9
  },
  "luminance": 0.08373
}

Semantic roles & 50–950 ramp

primary

#155A63

secondary

#9A453A

accent

#5340E8

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #155A63

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

Preview Lab → · Contrast checker → · Palette generator →