#1F757B#1F757B

#1F757B is a mid, moderate teal. Relative luminance 0.144; OKLCH L 51.6% C 0.078 H 201.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#1F757B
RGBrgb(31, 117, 123)
HSLhsl(184, 60%, 30%)
HSVhsv(184, 75%, 48%)
CMYKcmyk(74.8%, 4.9%, 0%, 51.8%)
CIE-LABlab(44.86, -22.42, -10.56)
CIE-LCHlch(44.86, 24.79, 205.23°)
OKLaboklab(51.61% -0.0728 -0.0293)
OKLCHoklch(51.61% 0.078 201.9)
XYZxyz(10.4999, 14.4427, 20.9694)
Luminance0.1444 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F757B #7B251F
analogous
#1F7B53 #1F757B #1F477B
triadic
#1F757B #7B1F75 #757B1F
tetradic
#1F757B #531F7B #7B251F #477B1F
square
#1F757B #531F7B #7B251F #477B1F
split-complementary
#1F757B #7B1F47 #7B531F
monochromatic
#061819 #13474A #1F757B #2BA3AC #44C7D0

Accessibility & contrast

On white

5.40
#1F757B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.89
#1F757B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F757B
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F757B#FFFFFF#000000##FFFFFF
##1F757B1.005.403.895.40
#FFFFFF5.401.0021.001.00
#0000003.8921.001.0021.00
##FFFFFF5.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C707B
Deuteranopia (green-blind)
#5E667B
Tritanopia (blue-blind)
#007A77
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #1f757b;
/* rgb */ color: rgb(31, 117, 123);
/* oklch */ color: oklch(51.6% 0.078 201.9);
Tailwind
colors: {
  custom: {
    50: '#6b9da1',
    500: '#1f757b',
    950: '#000000',
  },
}
SCSS
$custom: #1f757b;
$custom-light: #6b9da1;
$custom-dark: #000000;
JSON
{
  "hex": "#1f757b",
  "rgb": {
    "r": 31,
    "g": 117,
    "b": 123
  },
  "hsl": {
    "h": 183.913,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.51612,
    "c": 0.07847,
    "h": 201.9
  },
  "luminance": 0.14444
}

Semantic roles & 50–950 ramp

primary
#1F757B
secondary
#AE4E48
accent
#4F45E3
background
#F6F9F9
surface
#ECF2F2
border
#C7CCCC
text
#070E0E
muted
#7A7E7E

Preview Lab

Preview with #1F757B

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

Preview Lab → · Contrast checker → · Palette generator →

#1F757B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva