#1B757C#1B757C

#1B757C is a mid, moderate teal. Relative luminance 0.144; OKLCH L 51.6% C 0.080 H 202.9°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#1B757C
RGBrgb(27, 117, 124)
HSLhsl(184, 64%, 30%)
HSVhsv(184, 78%, 49%)
CMYKcmyk(78.2%, 5.6%, 0%, 51.4%)
CIE-LABlab(44.81, -22.60, -11.24)
CIE-LCHlch(44.81, 25.24, 206.44°)
OKLaboklab(51.56% -0.074 -0.0312)
OKLCHoklch(51.56% 0.08 202.9)
XYZxyz(10.4498, 14.4096, 21.2955)
Luminance0.1441 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B757C #7C221B
analogous
#1B7C53 #1B757C #1B457C
triadic
#1B757C #7C1B75 #757C1B
tetradic
#1B757C #531B7C #7C221B #457C1B
square
#1B757C #531B7C #7C221B #457C1B
split-complementary
#1B757C #7C1B45 #7C531B
monochromatic
#051819 #10464A #1B757C #26A4AE #3DCAD5

Accessibility & contrast

On white

5.41
#1B757C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#1B757C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B757C
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B757C#FFFFFF#000000##FFFFFF
##1B757C1.005.413.885.41
#FFFFFF5.411.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B707D
Deuteranopia (green-blind)
#5E667C
Tritanopia (blue-blind)
#007A77
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #1b757c;
/* rgb */ color: rgb(27, 117, 124);
/* oklch */ color: oklch(51.6% 0.080 202.9);
Tailwind
colors: {
  custom: {
    50: '#699da1',
    500: '#1b757c',
    950: '#000000',
  },
}
SCSS
$custom: #1b757c;
$custom-light: #699da1;
$custom-dark: #000000;
JSON
{
  "hex": "#1b757c",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 124
  },
  "hsl": {
    "h": 184.33,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.51563,
    "c": 0.08029,
    "h": 202.9
  },
  "luminance": 0.14411
}

Semantic roles & 50–950 ramp

primary
#1B757C
secondary
#B04B43
accent
#4D41E7
background
#F6F9F9
surface
#ECF2F2
border
#C7CCCC
text
#070E0F
muted
#7A7E7E

Preview Lab

Preview with #1B757C

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

Preview Lab → · Contrast checker → · Palette generator →

#1B757C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva