#1B5C82#1B5C82

#1B5C82 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.3% C 0.089 H 239.3°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX#1B5C82
RGBrgb(27, 92, 130)
HSLhsl(202, 66%, 31%)
HSVhsv(202, 79%, 51%)
CMYKcmyk(79.2%, 29.2%, 0%, 49%)
CIE-LABlab(36.93, -6.24, -27.01)
CIE-LCHlch(36.93, 27.72, 256.99°)
OKLaboklab(45.32% -0.0454 -0.0764)
OKLCHoklch(45.32% 0.089 239.3)
XYZxyz(8.3068, 9.4980, 22.5103)
Luminance0.0950 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5C82 #82411B
analogous
#1B8274 #1B5C82 #1B2882
triadic
#1B5C82 #821B5C #5C821B
tetradic
#1B5C82 #741B82 #82411B #28821B
square
#1B5C82 #741B82 #82411B #28821B
split-complementary
#1B5C82 #821B28 #82741B
monochromatic
#06141D #10384F #1B5C82 #2680B5 #40A0D7

Accessibility & contrast

On white

7.24
#1B5C82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.90
#1B5C82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C82
7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5C82#FFFFFF#000000##FFFFFF
##1B5C821.007.242.907.24
#FFFFFF7.241.0021.001.00
#0000002.9021.001.0021.00
##FFFFFF7.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A5C84
Deuteranopia (green-blind)
#3C5381
Tritanopia (blue-blind)
#006669
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #1b5c82;
/* rgb */ color: rgb(27, 92, 130);
/* oklch */ color: oklch(45.3% 0.089 239.3);
Tailwind
colors: {
  custom: {
    50: '#688aa6',
    500: '#1b5c82',
    950: '#000000',
  },
}
SCSS
$custom: #1b5c82;
$custom-light: #688aa6;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5c82",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 130
  },
  "hsl": {
    "h": 202.136,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45317,
    "c": 0.08884,
    "h": 239.3
  },
  "luminance": 0.09499
}

Semantic roles & 50–950 ramp

primary
#1B5C82
secondary
#B66D43
accent
#7E3FE9
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #1B5C82

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5C82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva