#1B5386#1B5386

#1B5386 is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.3% C 0.102 H 249.8°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#1B5386
RGBrgb(27, 83, 134)
HSLhsl(209, 66%, 32%)
HSVhsv(209, 80%, 53%)
CMYKcmyk(79.9%, 38.1%, 0%, 47.5%)
CIE-LABlab(34.27, 1.02, -33.64)
CIE-LCHlch(34.27, 33.66, 271.74°)
OKLaboklab(43.29% -0.0352 -0.0959)
OKLCHoklch(43.29% 0.102 249.8)
XYZxyz(7.8467, 8.1398, 23.7072)
Luminance0.0814 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5386 #864E1B
analogous
#1B8684 #1B5386 #1B1E86
triadic
#1B5386 #861B53 #53861B
tetradic
#1B5386 #841B86 #864E1B #1E861B
square
#1B5386 #841B86 #864E1B #1E861B
split-complementary
#1B5386 #861B1E #86841B
monochromatic
#061420 #113353 #1B5386 #2573B9 #4291D9

Accessibility & contrast

On white

7.99
#1B5386 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#1B5386 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5386
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5386#FFFFFF#000000##FFFFFF
##1B53861.007.992.637.99
#FFFFFF7.991.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B5688
Deuteranopia (green-blind)
#2B4C85
Tritanopia (blue-blind)
#005F66
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #1b5386;
/* rgb */ color: rgb(27, 83, 134);
/* oklch */ color: oklch(43.3% 0.102 249.8);
Tailwind
colors: {
  custom: {
    50: '#6983a9',
    500: '#1b5386',
    950: '#000000',
  },
}
SCSS
$custom: #1b5386;
$custom-light: #6983a9;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5386",
  "rgb": {
    "r": 27,
    "g": 83,
    "b": 134
  },
  "hsl": {
    "h": 208.598,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.43293,
    "c": 0.10215,
    "h": 249.8
  },
  "luminance": 0.08141
}

Semantic roles & 50–950 ramp

primary
#1B5386
secondary
#B97C44
accent
#903EE9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #1B5386

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5386 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva