#155B5F#155B5F

#155B5F is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.2% C 0.066 H 200.7°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#155B5F
RGB	rgb(21, 91, 95)
HSL	hsl(183, 64%, 23%)
HSV	hsv(183, 78%, 37%)
CMYK	cmyk(77.9%, 4.2%, 0%, 62.7%)
CIE-LAB	lab(34.94, -19.21, -8.43)
CIE-LCH	lch(34.94, 20.98, 203.69°)
OKLab	oklab(43.18% -0.0618 -0.0234)
OKLCH	oklch(43.18% 0.066 200.7)
XYZ	xyz(6.1150, 8.4671, 12.1363)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B5F #5F1915

analogous

#155F3E #155B5F #15365F

triadic

#155B5F #5F155B #5B5F15

tetradic

#155B5F #3E155F #5F1915 #365F15

square

#155B5F #3E155F #5F1915 #365F15

split-complementary

#155B5F #5F1536 #5F3E15

monochromatic

#061819 #0A2B2D #155B5F #208B91 #2BBBC3

Accessibility & contrast

On white

7.80

#155B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#155B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B5F

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B5F	#FFFFFF	#000000	##FFFFFF
##155B5F	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54575F

Deuteranopia (green-blind)

#494F5F

Tritanopia (blue-blind)

#005F5C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155b5f;
/* rgb */ color: rgb(21, 91, 95);
/* oklch */ color: oklch(43.2% 0.066 200.7);

Tailwind

colors: {
  custom: {
    50: '#60898c',
    500: '#155b5f',
    950: '#000000',
  },
}

SCSS

$custom: #155b5f;
$custom-light: #60898c;
$custom-dark: #000000;

JSON

{
  "hex": "#155b5f",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 95
  },
  "hsl": {
    "h": 183.243,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43182,
    "c": 0.06613,
    "h": 200.7
  },
  "luminance": 0.08468
}

Semantic roles & 50–950 ramp

primary

#155B5F

secondary

#963F3A

accent

#4A41E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050B0C

muted

#7A7C7D

Preview Lab

Preview with #155B5F

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

Preview Lab → · Contrast checker → · Palette generator →