#1B5A86#1B5A86

#1B5A86 is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.0% C 0.095 H 243.8°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#1B5A86
RGBrgb(27, 90, 134)
HSLhsl(205, 66%, 32%)
HSVhsv(205, 80%, 53%)
CMYKcmyk(79.9%, 32.8%, 0%, 47.5%)
CIE-LABlab(36.49, -3.45, -30.14)
CIE-LCHlch(36.49, 30.33, 263.46°)
OKLaboklab(45.04% -0.042 -0.0855)
OKLCHoklch(45.04% 0.095 243.8)
XYZxyz(8.4096, 9.2656, 23.8948)
Luminance0.0927 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5A86 #86471B
analogous
#1B867D #1B5A86 #1B2586
triadic
#1B5A86 #861B5A #5A861B
tetradic
#1B5A86 #7D1B86 #86471B #25861B
square
#1B5A86 #7D1B86 #86471B #25861B
split-complementary
#1B5A86 #861B25 #867D1B
monochromatic
#061620 #113853 #1B5A86 #257CB9 #429BD9

Accessibility & contrast

On white

7.36
#1B5A86 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#1B5A86 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A86
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5A86#FFFFFF#000000##FFFFFF
##1B5A861.007.362.857.36
#FFFFFF7.361.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#465B88
Deuteranopia (green-blind)
#375185
Tritanopia (blue-blind)
#00656A
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #1b5a86;
/* rgb */ color: rgb(27, 90, 134);
/* oklch */ color: oklch(45.0% 0.095 243.8);
Tailwind
colors: {
  custom: {
    50: '#6988a9',
    500: '#1b5a86',
    950: '#000000',
  },
}
SCSS
$custom: #1b5a86;
$custom-light: #6988a9;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5a86",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 134
  },
  "hsl": {
    "h": 204.673,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.45039,
    "c": 0.09528,
    "h": 243.8
  },
  "luminance": 0.09267
}

Semantic roles & 50–950 ramp

primary
#1B5A86
secondary
#B97444
accent
#853EE9
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1B5A86

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5A86 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva