#155A5F#155A5F

#155A5F is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.9% C 0.066 H 202.2°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#155A5F
RGB	rgb(21, 90, 95)
HSL	hsl(184, 64%, 23%)
HSV	hsv(184, 78%, 37%)
CMYK	cmyk(77.9%, 5.3%, 0%, 62.7%)
CIE-LAB	lab(34.59, -18.66, -8.94)
CIE-LCH	lch(34.59, 20.69, 205.61°)
OKLab	oklab(42.9% -0.0607 -0.0248)
OKLCH	oklch(42.9% 0.066 202.2)
XYZ	xyz(6.0301, 8.2973, 12.1080)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A5F #5F1A15

analogous

#155F3F #155A5F #15355F

triadic

#155A5F #5F155A #5A5F15

tetradic

#155A5F #3F155F #5F1A15 #355F15

square

#155A5F #3F155F #5F1A15 #355F15

split-complementary

#155A5F #5F1535 #5F3F15

monochromatic

#061819 #0A2B2D #155A5F #208991 #2BB9C3

Accessibility & contrast

On white

7.90

#155A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#155A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A5F

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A5F	#FFFFFF	#000000	##FFFFFF
##155A5F	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52565F

Deuteranopia (green-blind)

#484E5F

Tritanopia (blue-blind)

#005E5B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155a5f;
/* rgb */ color: rgb(21, 90, 95);
/* oklch */ color: oklch(42.9% 0.066 202.2);

Tailwind

colors: {
  custom: {
    50: '#60898c',
    500: '#155a5f',
    950: '#000000',
  },
}

SCSS

$custom: #155a5f;
$custom-light: #60898c;
$custom-dark: #000000;

JSON

{
  "hex": "#155a5f",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 95
  },
  "hsl": {
    "h": 184.054,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42904,
    "c": 0.06561,
    "h": 202.2
  },
  "luminance": 0.08298
}

Semantic roles & 50–950 ramp

primary

#155A5F

secondary

#96403A

accent

#4C41E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050B0C

muted

#7A7C7D

Preview Lab

Preview with #155A5F

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

Preview Lab → · Contrast checker → · Palette generator →