#1F818C#1F818C

#1F818C is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.4% C 0.087 H 206.3°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F818C
RGB	rgb(31, 129, 140)
HSL	hsl(186, 64%, 34%)
HSV	hsv(186, 78%, 55%)
CMYK	cmyk(77.9%, 7.9%, 0%, 45.1%)
CIE-LAB	lab(49.35, -23.12, -13.84)
CIE-LCH	lch(49.35, 26.95, 210.91°)
OKLab	oklab(55.45% -0.0777 -0.0385)
OKLCH	oklch(55.45% 0.087 206.3)
XYZ	xyz(13.1469, 17.8837, 27.5649)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F818C #8C2A1F

analogous

#1F8C60 #1F818C #1F4A8C

triadic

#1F818C #8C1F81 #818C1F

tetradic

#1F818C #601F8C #8C2A1F #4A8C1F

square

#1F818C #601F8C #8C2A1F #4A8C1F

split-complementary

#1F818C #8C1F4A #8C601F

monochromatic

#092528 #14535A #1F818C #2AAFBE #4ECAD8

Accessibility & contrast

On white

4.59

#1F818C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#1F818C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1F818C

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F818C	#FFFFFF	#000000	##FFFFFF
##1F818C	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#757C8D

Deuteranopia (green-blind)

#66718C

Tritanopia (blue-blind)

#008784

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1f818c;
/* rgb */ color: rgb(31, 129, 140);
/* oklch */ color: oklch(55.4% 0.087 206.3);

Tailwind

colors: {
  custom: {
    50: '#6ea6ad',
    500: '#1f818c',
    950: '#000000',
  },
}

SCSS

$custom: #1f818c;
$custom-light: #6ea6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f818c",
  "rgb": {
    "r": 31,
    "g": 129,
    "b": 140
  },
  "hsl": {
    "h": 186.055,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55448,
    "c": 0.08675,
    "h": 206.3
  },
  "luminance": 0.17885
}

Semantic roles & 50–950 ramp

primary

#1F818C

secondary

#BB574C

accent

#5241E7

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #1F818C

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

Preview Lab → · Contrast checker → · Palette generator →