#155E4F#155E4F

#155E4F is a dark, moderate teal. Relative luminance 0.087; OKLCH L 43.4% C 0.074 H 175.5°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#155E4F
RGB	rgb(21, 94, 79)
HSL	hsl(168, 63%, 23%)
HSV	hsv(168, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 16%, 63.1%)
CIE-LAB	lab(35.46, -25.83, 2.32)
CIE-LCH	lch(35.46, 25.93, 174.87°)
OKLab	oklab(43.43% -0.0734 0.0057)
OKLCH	oklch(43.43% 0.074 175.5)
XYZ	xyz(5.7225, 8.7287, 8.7788)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E4F #5E1524

analogous

#155E2A #155E4F #15495E

triadic

#155E4F #4F155E #5E4F15

tetradic

#155E4F #2A155E #5E1524 #495E15

square

#155E4F #2A155E #5E1524 #495E15

split-complementary

#155E4F #5E1549 #5E2A15

monochromatic

#061915 #0A2C25 #155E4F #209079 #2BC2A3

Accessibility & contrast

On white

7.65

#155E4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#155E4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E4F

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E4F	#FFFFFF	#000000	##FFFFFF
##155E4F	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A584E

Deuteranopia (green-blind)

#515050

Tritanopia (blue-blind)

#005F5A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155e4f;
/* rgb */ color: rgb(21, 94, 79);
/* oklch */ color: oklch(43.4% 0.074 175.5);

Tailwind

colors: {
  custom: {
    50: '#5f8c80',
    500: '#155e4f',
    950: '#000000',
  },
}

SCSS

$custom: #155e4f;
$custom-light: #5f8c80;
$custom-dark: #000000;

JSON

{
  "hex": "#155e4f",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 79
  },
  "hsl": {
    "h": 167.671,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43432,
    "c": 0.07366,
    "h": 175.5
  },
  "luminance": 0.08729
}

Semantic roles & 50–950 ramp

primary

#155E4F

secondary

#95394C

accent

#4163E7

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C0A

muted

#797D7C

Preview Lab

Preview with #155E4F

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

Preview Lab → · Contrast checker → · Palette generator →