#1B5085#1B5085

#1B5085 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.5% C 0.104 H 251.7°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX#1B5085
RGBrgb(27, 80, 133)
HSLhsl(210, 66%, 31%)
HSVhsv(210, 80%, 52%)
CMYKcmyk(79.7%, 39.8%, 0%, 47.8%)
CIE-LABlab(33.27, 2.59, -34.62)
CIE-LCHlch(33.27, 34.72, 274.27°)
OKLaboklab(42.49% -0.0327 -0.0988)
OKLCHoklch(42.49% 0.104 251.7)
XYZxyz(7.5527, 7.6629, 23.2668)
Luminance0.0766 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5085 #85501B
analogous
#1B8585 #1B5085 #1B1B85
triadic
#1B5085 #851B50 #50851B
tetradic
#1B5085 #851B85 #85501B #1B851B
square
#1B5085 #851B85 #85501B #1B851B
split-complementary
#1B5085 #851B1B #85851B
monochromatic
#06131F #113152 #1B5085 #256FB8 #428DD9

Accessibility & contrast

On white

8.29
#1B5085 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#1B5085 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5085
8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5085#FFFFFF#000000##FFFFFF
##1B50851.008.292.538.29
#FFFFFF8.291.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#375487
Deuteranopia (green-blind)
#264A84
Tritanopia (blue-blind)
#005D64
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #1b5085;
/* rgb */ color: rgb(27, 80, 133);
/* oklch */ color: oklch(42.5% 0.104 251.7);
Tailwind
colors: {
  custom: {
    50: '#6880a9',
    500: '#1b5085',
    950: '#000000',
  },
}
SCSS
$custom: #1b5085;
$custom-light: #6880a9;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5085",
  "rgb": {
    "r": 27,
    "g": 80,
    "b": 133
  },
  "hsl": {
    "h": 210,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.4249,
    "c": 0.10405,
    "h": 251.7
  },
  "luminance": 0.07664
}

Semantic roles & 50–950 ramp

primary
#1B5085
secondary
#B87E44
accent
#943FE9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #1B5085

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5085 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva