#155E5C#155E5C

#155E5C is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.9% C 0.068 H 192.2°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#155E5C
RGB	rgb(21, 94, 92)
HSL	hsl(178, 63%, 23%)
HSV	hsv(178, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 2.1%, 63.1%)
CIE-LAB	lab(35.86, -21.81, -5.17)
CIE-LCH	lch(35.86, 22.41, 193.34°)
OKLab	oklab(43.9% -0.0667 -0.0144)
OKLCH	oklch(43.9% 0.068 192.2)
XYZ	xyz(6.2428, 8.9368, 11.5191)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E5C #5E1517

analogous

#155E37 #155E5C #153C5E

triadic

#155E5C #5C155E #5E5C15

tetradic

#155E5C #37155E #5E1517 #3C5E15

square

#155E5C #37155E #5E1517 #3C5E15

split-complementary

#155E5C #5E153C #5E3715

monochromatic

#061918 #0A2C2B #155E5C #20908D #2BC2BE

Accessibility & contrast

On white

7.53

#155E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#155E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E5C

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E5C	#FFFFFF	#000000	##FFFFFF
##155E5C	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58595C

Deuteranopia (green-blind)

#4D515D

Tritanopia (blue-blind)

#00615D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e5c;
/* rgb */ color: rgb(21, 94, 92);
/* oklch */ color: oklch(43.9% 0.068 192.2);

Tailwind

colors: {
  custom: {
    50: '#608c8a',
    500: '#155e5c',
    950: '#000000',
  },
}

SCSS

$custom: #155e5c;
$custom-light: #608c8a;
$custom-dark: #000000;

JSON

{
  "hex": "#155e5c",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 92
  },
  "hsl": {
    "h": 178.356,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43897,
    "c": 0.06824,
    "h": 192.2
  },
  "luminance": 0.08938
}

Semantic roles & 50–950 ramp

primary

#155E5C

secondary

#95393C

accent

#4146E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155E5C

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

Preview Lab → · Contrast checker → · Palette generator →