#1F595A#1F595A

#1F595A is a dark, muted teal. Relative luminance 0.082; OKLCH L 42.7% C 0.059 H 196.8°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#1F595A
RGBrgb(31, 89, 90)
HSLhsl(181, 49%, 24%)
HSVhsv(181, 66%, 35%)
CMYKcmyk(65.6%, 1.1%, 0%, 64.7%)
CIE-LABlab(34.34, -18.10, -6.16)
CIE-LCHlch(34.34, 19.12, 198.80°)
OKLaboklab(42.72% -0.0567 -0.0171)
OKLCHoklch(42.72% 0.059 196.8)
XYZxyz(5.9821, 8.1736, 10.9333)
Luminance0.0817 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F595A #5A201F
analogous
#1F5A3D #1F595A #1F3B5A
triadic
#1F595A #5A1F59 #595A1F
tetradic
#1F595A #3D1F5A #5A201F #3B5A1F
square
#1F595A #3D1F5A #5A201F #3B5A1F
split-complementary
#1F595A #5A1F3B #5A3D1F
monochromatic
#081717 #0F2C2C #1F595A #2F8688 #3EB3B5

Accessibility & contrast

On white

7.97
#1F595A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#1F595A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F595A
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F595A#FFFFFF#000000##FFFFFF
##1F595A1.007.972.637.97
#FFFFFF7.971.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#53555A
Deuteranopia (green-blind)
#4A4E5A
Tritanopia (blue-blind)
#005C59
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #1f595a;
/* rgb */ color: rgb(31, 89, 90);
/* oklch */ color: oklch(42.7% 0.059 196.8);
Tailwind
colors: {
  custom: {
    50: '#638888',
    500: '#1f595a',
    950: '#000000',
  },
}
SCSS
$custom: #1f595a;
$custom-light: #638888;
$custom-dark: #000000;
JSON
{
  "hex": "#1f595a",
  "rgb": {
    "r": 31,
    "g": 89,
    "b": 90
  },
  "hsl": {
    "h": 181.017,
    "s": 48.76,
    "l": 23.725
  },
  "oklch": {
    "l": 0.42717,
    "c": 0.05922,
    "h": 196.8
  },
  "luminance": 0.08174
}

Semantic roles & 50–950 ramp

primary
#1F595A
secondary
#8F4746
accent
#524FD8
background
#F6F8F8
surface
#EBEFEF
border
#C6CACA
text
#060B0B
muted
#7A7C7C

Preview Lab

Preview with #1F595A

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

Preview Lab → · Contrast checker → · Palette generator →

#1F595A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva