#1F837B#1F837B

#1F837B is a mid, moderate teal. Relative luminance 0.180; OKLCH L 55.3% C 0.088 H 186.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F837B
RGB	rgb(31, 131, 123)
HSL	hsl(175, 62%, 32%)
HSV	hsv(175, 76%, 51%)
CMYK	cmyk(76.3%, 0%, 6.1%, 48.6%)
CIE-LAB	lab(49.44, -29.47, -3.74)
CIE-LCH	lch(49.44, 29.70, 187.23°)
OKLab	oklab(55.33% -0.0877 -0.0106)
OKLCH	oklch(55.33% 0.088 186.9)
XYZ	xyz(12.2548, 17.9525, 21.5544)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F837B #831F27

analogous

#1F8349 #1F837B #1F5983

triadic

#1F837B #7B1F83 #837B1F

tetradic

#1F837B #491F83 #831F27 #59831F

square

#1F837B #491F83 #831F27 #59831F

split-complementary

#1F837B #831F59 #83491F

monochromatic

#08201E #13524D #1F837B #2BB4A9 #49D4C9

Accessibility & contrast

On white

4.57

#1F837B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#1F837B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F837B

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F837B	#FFFFFF	#000000	##000000
##1F837B	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7B7B

Deuteranopia (green-blind)

#6E717C

Tritanopia (blue-blind)

#008680

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1f837b;
/* rgb */ color: rgb(31, 131, 123);
/* oklch */ color: oklch(55.3% 0.088 186.9);

Tailwind

colors: {
  custom: {
    50: '#6da7a1',
    500: '#1f837b',
    950: '#000000',
  },
}

SCSS

$custom: #1f837b;
$custom-light: #6da7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f837b",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 123
  },
  "hsl": {
    "h": 175.2,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55329,
    "c": 0.08839,
    "h": 186.9
  },
  "luminance": 0.17954
}

Semantic roles & 50–950 ramp

primary

#1F837B

secondary

#B64851

accent

#4350E5

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0E

muted

#7B7F7E

Preview Lab

Preview with #1F837B

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

Preview Lab → · Contrast checker → · Palette generator →