#1F9F9B#1F9F9B

#1F9F9B is a light, moderate teal. Relative luminance 0.275; OKLCH L 63.8% C 0.103 H 191.6°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#1F9F9B
RGBrgb(31, 159, 155)
HSLhsl(178, 67%, 37%)
HSVhsv(178, 81%, 62%)
CMYKcmyk(80.5%, 0%, 2.5%, 37.6%)
CIE-LABlab(59.39, -33.24, -7.42)
CIE-LCHlch(59.39, 34.06, 192.59°)
OKLaboklab(63.76% -0.1013 -0.0207)
OKLCHoklch(63.76% 0.103 191.6)
XYZxyz(18.8768, 27.4518, 35.3078)
Luminance0.2745 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F9F9B #9F1F23
analogous
#1F9F5B #1F9F9B #1F639F
triadic
#1F9F9B #9B1F9F #9F9B1F
tetradic
#1F9F9B #5B1F9F #9F1F23 #639F1F
square
#1F9F9B #5B1F9F #9F1F23 #639F1F
split-complementary
#1F9F9B #9F1F63 #9F5B1F
monochromatic
#0B3937 #156C69 #1F9F9B #29D2CD #5ADFDB

Accessibility & contrast

On white

3.24
#1F9F9B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.49
#1F9F9B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9F9B
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F9F9B#FFFFFF#000000##000000
##1F9F9B1.003.246.496.49
#FFFFFF3.241.0021.0021.00
#0000006.4921.001.001.00
##0000006.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#95969B
Deuteranopia (green-blind)
#838A9C
Tritanopia (blue-blind)
#00A49D
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #1f9f9b;
/* rgb */ color: rgb(31, 159, 155);
/* oklch */ color: oklch(63.8% 0.103 191.6);
Tailwind
colors: {
  custom: {
    50: '#74bcb8',
    500: '#1f9f9b',
    950: '#000000',
  },
}
SCSS
$custom: #1f9f9b;
$custom-light: #74bcb8;
$custom-dark: #000000;
JSON
{
  "hex": "#1f9f9b",
  "rgb": {
    "r": 31,
    "g": 159,
    "b": 155
  },
  "hsl": {
    "h": 178.125,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.63757,
    "c": 0.10343,
    "h": 191.6
  },
  "luminance": 0.27454
}

Semantic roles & 50–950 ramp

primary
#1F9F9B
secondary
#C3575A
accent
#3E43EA
background
#F7FBFB
surface
#EEF6F6
border
#C9D0D0
text
#0A1211
muted
#7C8180

Preview Lab

Preview with #1F9F9B

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

Preview Lab → · Contrast checker → · Palette generator →

#1F9F9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva