#155B61#155B61

#155B61 is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.3% C 0.066 H 203.6°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#155B61
RGB	rgb(21, 91, 97)
HSL	hsl(185, 64%, 23%)
HSV	hsv(185, 78%, 38%)
CMYK	cmyk(78.4%, 6.2%, 0%, 62%)
CIE-LAB	lab(35.01, -18.52, -9.57)
CIE-LCH	lch(35.01, 20.85, 207.31°)
OKLab	oklab(43.27% -0.0609 -0.0266)
OKLCH	oklch(43.27% 0.066 203.6)
XYZ	xyz(6.2071, 8.5039, 12.6212)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B61 #611B15

analogous

#156141 #155B61 #153561

triadic

#155B61 #61155B #5B6115

tetradic

#155B61 #411561 #611B15 #356115

square

#155B61 #411561 #611B15 #356115

split-complementary

#155B61 #611535 #614115

monochromatic

#051819 #0A2C2F #155B61 #208A93 #2BB9C6

Accessibility & contrast

On white

7.77

#155B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#155B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B61

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B61	#FFFFFF	#000000	##FFFFFF
##155B61	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535761

Deuteranopia (green-blind)

#484F61

Tritanopia (blue-blind)

#005F5D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155b61;
/* rgb */ color: rgb(21, 91, 97);
/* oklch */ color: oklch(43.3% 0.066 203.6);

Tailwind

colors: {
  custom: {
    50: '#61898d',
    500: '#155b61',
    950: '#000000',
  },
}

SCSS

$custom: #155b61;
$custom-light: #61898d;
$custom-dark: #000000;

JSON

{
  "hex": "#155b61",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 97
  },
  "hsl": {
    "h": 184.737,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.43266,
    "c": 0.06643,
    "h": 203.6
  },
  "luminance": 0.08505
}

Semantic roles & 50–950 ramp

primary

#155B61

secondary

#98413A

accent

#4E40E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050B0C

muted

#7A7C7D

Preview Lab

Preview with #155B61

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

Preview Lab → · Contrast checker → · Palette generator →