#1F818D#1F818D

#1F818D is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.5% C 0.087 H 207.4°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F818D
RGB	rgb(31, 129, 141)
HSL	hsl(187, 64%, 34%)
HSV	hsv(187, 78%, 55%)
CMYK	cmyk(78%, 8.5%, 0%, 44.7%)
CIE-LAB	lab(49.39, -22.79, -14.37)
CIE-LCH	lch(49.39, 26.94, 212.24°)
OKLab	oklab(55.49% -0.0773 -0.04)
OKLCH	oklch(55.49% 0.087 207.4)
XYZ	xyz(13.2209, 17.9133, 27.9550)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F818D #8D2B1F

analogous

#1F8D62 #1F818D #1F4A8D

triadic

#1F818D #8D1F81 #818D1F

tetradic

#1F818D #621F8D #8D2B1F #4A8D1F

square

#1F818D #621F8D #8D2B1F #4A8D1F

split-complementary

#1F818D #8D1F4A #8D621F

monochromatic

#092529 #14535B #1F818D #2AAFBF #4EC9D8

Accessibility & contrast

On white

4.58

#1F818D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#1F818D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F818D

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F818D	#FFFFFF	#000000	##000000
##1F818D	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757C8E

Deuteranopia (green-blind)

#66718D

Tritanopia (blue-blind)

#008785

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1f818d;
/* rgb */ color: rgb(31, 129, 141);
/* oklch */ color: oklch(55.5% 0.087 207.4);

Tailwind

colors: {
  custom: {
    50: '#6ea6ae',
    500: '#1f818d',
    950: '#000000',
  },
}

SCSS

$custom: #1f818d;
$custom-light: #6ea6ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f818d",
  "rgb": {
    "r": 31,
    "g": 129,
    "b": 141
  },
  "hsl": {
    "h": 186.545,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.55489,
    "c": 0.08702,
    "h": 207.4
  },
  "luminance": 0.17915
}

Semantic roles & 50–950 ramp

primary

#1F818D

secondary

#BB594D

accent

#5341E7

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #1F818D

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

Preview Lab → · Contrast checker → · Palette generator →