#1F818F#1F818F

#1F818F is a mid, moderate teal. Relative luminance 0.180; OKLCH L 55.6% C 0.088 H 209.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F818F
RGB	rgb(31, 129, 143)
HSL	hsl(188, 64%, 34%)
HSV	hsv(188, 78%, 56%)
CMYK	cmyk(78.3%, 9.8%, 0%, 43.9%)
CIE-LAB	lab(49.46, -22.13, -15.43)
CIE-LCH	lch(49.46, 26.98, 214.89°)
OKLab	oklab(55.57% -0.0764 -0.043)
OKLCH	oklch(55.57% 0.088 209.3)
XYZ	xyz(13.3711, 17.9734, 28.7458)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F818F #8F2D1F

analogous

#1F8F65 #1F818F #1F498F

triadic

#1F818F #8F1F81 #818F1F

tetradic

#1F818F #651F8F #8F2D1F #498F1F

square

#1F818F #651F8F #8F2D1F #498F1F

split-complementary

#1F818F #8F1F49 #8F651F

monochromatic

#09262A #14545D #1F818F #2AAEC1 #4FC8D9

Accessibility & contrast

On white

4.57

#1F818F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#1F818F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F818F

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F818F	#FFFFFF	#000000	##000000
##1F818F	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757C90

Deuteranopia (green-blind)

#65718F

Tritanopia (blue-blind)

#008785

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1f818f;
/* rgb */ color: rgb(31, 129, 143);
/* oklch */ color: oklch(55.6% 0.088 209.3);

Tailwind

colors: {
  custom: {
    50: '#6fa6af',
    500: '#1f818f',
    950: '#000000',
  },
}

SCSS

$custom: #1f818f;
$custom-light: #6fa6af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f818f",
  "rgb": {
    "r": 31,
    "g": 129,
    "b": 143
  },
  "hsl": {
    "h": 187.5,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.55572,
    "c": 0.08767,
    "h": 209.3
  },
  "luminance": 0.17975
}

Semantic roles & 50–950 ramp

primary

#1F818F

secondary

#BC5C4E

accent

#5540E7

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #1F818F

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

Preview Lab → · Contrast checker → · Palette generator →