#1B5F41#1B5F41

#1B5F41 is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.5% C 0.084 H 160.3°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#1B5F41
RGB	rgb(27, 95, 65)
HSL	hsl(154, 56%, 24%)
HSV	hsv(154, 72%, 37%)
CMYK	cmyk(71.6%, 0%, 31.6%, 62.7%)
CIE-LAB	lab(35.59, -29.02, 11.16)
CIE-LCH	lch(35.59, 31.09, 158.97°)
OKLab	oklab(43.47% -0.0792 0.0283)
OKLCH	oklch(43.47% 0.084 160.3)
XYZ	xyz(5.4978, 8.7985, 6.4085)
Luminance	0.0880 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5F41 #5F1B39

analogous

#1B5F1F #1B5F41 #1B5B5F

triadic

#1B5F41 #411B5F #5F411B

tetradic

#1B5F41 #1F1B5F #5F1B39 #5B5F1B

square

#1B5F41 #1F1B5F #5F1B39 #5B5F1B

split-complementary

#1B5F41 #5F1B5B #5F1F1B

monochromatic

#071810 #0D2F20 #1B5F41 #298F62 #36BE82

Accessibility & contrast

On white

7.61

#1B5F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1B5F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5F41

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5F41	#FFFFFF	#000000	##FFFFFF
##1B5F41	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E583F

Deuteranopia (green-blind)

#555143

Tritanopia (blue-blind)

#005F57

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b5f41;
/* rgb */ color: rgb(27, 95, 65);
/* oklch */ color: oklch(43.5% 0.084 160.3);

Tailwind

colors: {
  custom: {
    50: '#618d75',
    500: '#1b5f41',
    950: '#000000',
  },
}

SCSS

$custom: #1b5f41;
$custom-light: #618d75;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5f41",
  "rgb": {
    "r": 27,
    "g": 95,
    "b": 65
  },
  "hsl": {
    "h": 153.529,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.43467,
    "c": 0.08414,
    "h": 160.3
  },
  "luminance": 0.08799
}

Semantic roles & 50–950 ramp

primary

#1B5F41

secondary

#954166

accent

#498BDF

background

#F6F8F7

surface

#EBF0ED

border

#C6CBC8

text

#050C08

muted

#7A7D7B

Preview Lab

Preview with #1B5F41

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

Preview Lab → · Contrast checker → · Palette generator →