#155E5F#155E5F

#155E5F is a dark, moderate teal. Relative luminance 0.090; OKLCH L 44.0% C 0.068 H 196.3°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#155E5F
RGB	rgb(21, 94, 95)
HSL	hsl(181, 64%, 23%)
HSV	hsv(181, 78%, 37%)
CMYK	cmyk(77.9%, 1.1%, 0%, 62.7%)
CIE-LAB	lab(35.97, -20.82, -6.89)
CIE-LCH	lch(35.97, 21.93, 198.30°)
OKLab	oklab(44.02% -0.0652 -0.0191)
OKLCH	oklch(44.02% 0.068 196.3)
XYZ	xyz(6.3766, 8.9903, 12.2235)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E5F #5F1615

analogous

#155F3B #155E5F #15395F

triadic

#155E5F #5F155E #5E5F15

tetradic

#155E5F #3B155F #5F1615 #395F15

square

#155E5F #3B155F #5F1615 #395F15

split-complementary

#155E5F #5F1539 #5F3B15

monochromatic

#061919 #0A2C2D #155E5F #209091 #2BC1C3

Accessibility & contrast

On white

7.50

#155E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#155E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E5F

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E5F	#FFFFFF	#000000	##FFFFFF
##155E5F	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57595F

Deuteranopia (green-blind)

#4C515F

Tritanopia (blue-blind)

#00615E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155e5f;
/* rgb */ color: rgb(21, 94, 95);
/* oklch */ color: oklch(44.0% 0.068 196.3);

Tailwind

colors: {
  custom: {
    50: '#618c8c',
    500: '#155e5f',
    950: '#000000',
  },
}

SCSS

$custom: #155e5f;
$custom-light: #618c8c;
$custom-dark: #000000;

JSON

{
  "hex": "#155e5f",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 95
  },
  "hsl": {
    "h": 180.811,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.44015,
    "c": 0.06796,
    "h": 196.3
  },
  "luminance": 0.08991
}

Semantic roles & 50–950 ramp

primary

#155E5F

secondary

#963B3A

accent

#4341E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #155E5F

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

Preview Lab → · Contrast checker → · Palette generator →