#1B6571#1B6571

#1B6571 is a mid, moderate teal. Relative luminance 0.107; OKLCH L 46.8% C 0.072 H 210.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#1B6571
RGBrgb(27, 101, 113)
HSLhsl(188, 61%, 27%)
HSVhsv(188, 76%, 44%)
CMYKcmyk(76.1%, 10.6%, 0%, 55.7%)
CIE-LABlab(39.12, -17.71, -13.21)
CIE-LCHlch(39.12, 22.09, 216.71°)
OKLaboklab(46.83% -0.0618 -0.0368)
OKLCHoklch(46.83% 0.072 210.8)
XYZxyz(8.0850, 10.7317, 17.2649)
Luminance0.1073 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B6571 #71271B
analogous
#1B7152 #1B6571 #1B3A71
triadic
#1B6571 #711B65 #65711B
tetradic
#1B6571 #521B71 #71271B #3A711B
square
#1B6571 #521B71 #71271B #3A711B
split-complementary
#1B6571 #711B3A #71521B
monochromatic
#061619 #0F3940 #1B6571 #2791A2 #37BACF

Accessibility & contrast

On white

6.67
#1B6571 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#1B6571 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6571
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B6571#FFFFFF#000000##FFFFFF
##1B65711.006.673.156.67
#FFFFFF6.671.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B6172
Deuteranopia (green-blind)
#4F5871
Tritanopia (blue-blind)
#006A69
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #1b6571;
/* rgb */ color: rgb(27, 101, 113);
/* oklch */ color: oklch(46.8% 0.072 210.8);
Tailwind
colors: {
  custom: {
    50: '#669199',
    500: '#1b6571',
    950: '#000000',
  },
}
SCSS
$custom: #1b6571;
$custom-light: #669199;
$custom-dark: #000000;
JSON
{
  "hex": "#1b6571",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 113
  },
  "hsl": {
    "h": 188.372,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.46829,
    "c": 0.07189,
    "h": 210.8
  },
  "luminance": 0.10733
}

Semantic roles & 50–950 ramp

primary
#1B6571
secondary
#A65042
accent
#5A43E5
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0E
muted
#7A7D7E

Preview Lab

Preview with #1B6571

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

Preview Lab → · Contrast checker → · Palette generator →

#1B6571 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva