#1B5986#1B5986

#1B5986 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.8% C 0.096 H 244.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX#1B5986
RGBrgb(27, 89, 134)
HSLhsl(205, 66%, 32%)
HSVhsv(205, 80%, 53%)
CMYKcmyk(79.9%, 33.6%, 0%, 47.5%)
CIE-LABlab(36.17, -2.82, -30.64)
CIE-LCHlch(36.17, 30.77, 264.74°)
OKLaboklab(44.79% -0.0411 -0.087)
OKLCHoklch(44.79% 0.096 244.7)
XYZxyz(8.3258, 9.0980, 23.8669)
Luminance0.0910 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5986 #86481B
analogous
#1B867E #1B5986 #1B2386
triadic
#1B5986 #861B59 #59861B
tetradic
#1B5986 #7E1B86 #86481B #23861B
square
#1B5986 #7E1B86 #86481B #23861B
split-complementary
#1B5986 #861B23 #867E1B
monochromatic
#061520 #113753 #1B5986 #257BB9 #429AD9

Accessibility & contrast

On white

7.45
#1B5986 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.82
#1B5986 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5986
7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5986#FFFFFF#000000##FFFFFF
##1B59861.007.452.827.45
#FFFFFF7.451.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#445B88
Deuteranopia (green-blind)
#355185
Tritanopia (blue-blind)
#006469
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1b5986;
/* rgb */ color: rgb(27, 89, 134);
/* oklch */ color: oklch(44.8% 0.096 244.7);
Tailwind
colors: {
  custom: {
    50: '#6987a9',
    500: '#1b5986',
    950: '#000000',
  },
}
SCSS
$custom: #1b5986;
$custom-light: #6987a9;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5986",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 134
  },
  "hsl": {
    "h": 205.234,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.44788,
    "c": 0.09618,
    "h": 244.7
  },
  "luminance": 0.09099
}

Semantic roles & 50–950 ramp

primary
#1B5986
secondary
#B97544
accent
#863EE9
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1B5986

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5986 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva