#155F4D#155F4D

#155F4D is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.7% C 0.076 H 172.4°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#155F4D
RGB	rgb(21, 95, 77)
HSL	hsl(165, 64%, 23%)
HSV	hsv(165, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 18.9%, 62.7%)
CIE-LAB	lab(35.75, -26.89, 3.98)
CIE-LCH	lch(35.75, 27.18, 171.58°)
OKLab	oklab(43.65% -0.0756 0.0101)
OKLCH	oklch(43.65% 0.076 172.4)
XYZ	xyz(5.7403, 8.8790, 8.4310)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F4D #5F1527

analogous

#155F28 #155F4D #154C5F

triadic

#155F4D #4D155F #5F4D15

tetradic

#155F4D #28155F #5F1527 #4C5F15

square

#155F4D #28155F #5F1527 #4C5F15

split-complementary

#155F4D #5F154C #5F2815

monochromatic

#061914 #0A2D24 #155F4D #209176 #2BC39E

Accessibility & contrast

On white

7.56

#155F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#155F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F4D

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F4D	#FFFFFF	#000000	##FFFFFF
##155F4D	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C584C

Deuteranopia (green-blind)

#52514E

Tritanopia (blue-blind)

#00605A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155f4d;
/* rgb */ color: rgb(21, 95, 77);
/* oklch */ color: oklch(43.7% 0.076 172.4);

Tailwind

colors: {
  custom: {
    50: '#5f8d7e',
    500: '#155f4d',
    950: '#000000',
  },
}

SCSS

$custom: #155f4d;
$custom-light: #5f8d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#155f4d",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 77
  },
  "hsl": {
    "h": 165.405,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43654,
    "c": 0.07632,
    "h": 172.4
  },
  "luminance": 0.0888
}

Semantic roles & 50–950 ramp

primary

#155F4D

secondary

#963A50

accent

#4169E7

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C0A

muted

#797D7C

Preview Lab

Preview with #155F4D

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

Preview Lab → · Contrast checker → · Palette generator →