#1F837F#1F837F

#1F837F is a mid, moderate teal. Relative luminance 0.181; OKLCH L 55.5% C 0.087 H 190.9°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F837F
RGB	rgb(31, 131, 127)
HSL	hsl(178, 62%, 32%)
HSV	hsv(178, 76%, 51%)
CMYK	cmyk(76.3%, 0%, 3.1%, 48.6%)
CIE-LAB	lab(49.56, -28.26, -5.90)
CIE-LCH	lch(49.56, 28.87, 191.79°)
OKLab	oklab(55.47% -0.0858 -0.0165)
OKLCH	oklch(55.47% 0.087 190.9)
XYZ	xyz(12.5103, 18.0547, 22.9001)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F837F #831F23

analogous

#1F834D #1F837F #1F5583

triadic

#1F837F #7F1F83 #837F1F

tetradic

#1F837F #4D1F83 #831F23 #55831F

square

#1F837F #4D1F83 #831F23 #55831F

split-complementary

#1F837F #831F55 #834D1F

monochromatic

#08201F #13524F #1F837F #2BB4AF #49D4CE

Accessibility & contrast

On white

4.55

#1F837F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#1F837F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F837F

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F837F	#FFFFFF	#000000	##000000
##1F837F	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7C7F

Deuteranopia (green-blind)

#6D7180

Tritanopia (blue-blind)

#008782

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1f837f;
/* rgb */ color: rgb(31, 131, 127);
/* oklch */ color: oklch(55.5% 0.087 190.9);

Tailwind

colors: {
  custom: {
    50: '#6da7a4',
    500: '#1f837f',
    950: '#000000',
  },
}

SCSS

$custom: #1f837f;
$custom-light: #6da7a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f837f",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 127
  },
  "hsl": {
    "h": 177.6,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55471,
    "c": 0.0874,
    "h": 190.9
  },
  "luminance": 0.18056
}

Semantic roles & 50–950 ramp

primary

#1F837F

secondary

#B6484C

accent

#4349E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #1F837F

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

Preview Lab → · Contrast checker → · Palette generator →