#155E4E#155E4E

#155E4E is a dark, moderate teal. Relative luminance 0.087; OKLCH L 43.4% C 0.074 H 174.4°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#155E4E
RGB	rgb(21, 94, 78)
HSL	hsl(167, 63%, 23%)
HSV	hsv(167, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 17%, 63.1%)
CIE-LAB	lab(35.43, -26.12, 2.90)
CIE-LCH	lch(35.43, 26.28, 173.67°)
OKLab	oklab(43.4% -0.074 0.0073)
OKLCH	oklch(43.4% 0.074 174.4)
XYZ	xyz(5.6864, 8.7142, 8.5886)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E4E #5E1525

analogous

#155E29 #155E4E #154A5E

triadic

#155E4E #4E155E #5E4E15

tetradic

#155E4E #29155E #5E1525 #4A5E15

square

#155E4E #29155E #5E1525 #4A5E15

split-complementary

#155E4E #5E154A #5E2915

monochromatic

#061915 #0A2C24 #155E4E #209078 #2BC2A1

Accessibility & contrast

On white

7.66

#155E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#155E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E4E

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E4E	#FFFFFF	#000000	##FFFFFF
##155E4E	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A574D

Deuteranopia (green-blind)

#51504F

Tritanopia (blue-blind)

#005F59

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155e4e;
/* rgb */ color: rgb(21, 94, 78);
/* oklch */ color: oklch(43.4% 0.074 174.4);

Tailwind

colors: {
  custom: {
    50: '#5f8c7f',
    500: '#155e4e',
    950: '#000000',
  },
}

SCSS

$custom: #155e4e;
$custom-light: #5f8c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#155e4e",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 78
  },
  "hsl": {
    "h": 166.849,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43399,
    "c": 0.07433,
    "h": 174.4
  },
  "luminance": 0.08715
}

Semantic roles & 50–950 ramp

primary

#155E4E

secondary

#95394E

accent

#4166E7

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C0A

muted

#797D7C

Preview Lab

Preview with #155E4E

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

Preview Lab → · Contrast checker → · Palette generator →