#1B5285#1B5285

#1B5285 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.102 H 250.2°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX#1B5285
RGBrgb(27, 82, 133)
HSLhsl(209, 66%, 31%)
HSVhsv(209, 80%, 52%)
CMYKcmyk(79.7%, 38.3%, 0%, 47.8%)
CIE-LABlab(33.90, 1.28, -33.62)
CIE-LCHlch(33.90, 33.65, 272.17°)
OKLaboklab(42.98% -0.0346 -0.0958)
OKLCHoklch(42.98% 0.102 250.2)
XYZxyz(7.7013, 7.9601, 23.3163)
Luminance0.0796 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5285 #854E1B
analogous
#1B8583 #1B5285 #1B1D85
triadic
#1B5285 #851B52 #52851B
tetradic
#1B5285 #831B85 #854E1B #1D851B
square
#1B5285 #831B85 #854E1B #1D851B
split-complementary
#1B5285 #851B1D #85831B
monochromatic
#06131F #113352 #1B5285 #2571B8 #4290D9

Accessibility & contrast

On white

8.10
#1B5285 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#1B5285 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5285
8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5285#FFFFFF#000000##FFFFFF
##1B52851.008.102.598.10
#FFFFFF8.101.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A5587
Deuteranopia (green-blind)
#2A4B84
Tritanopia (blue-blind)
#005E65
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1b5285;
/* rgb */ color: rgb(27, 82, 133);
/* oklch */ color: oklch(43.0% 0.102 250.2);
Tailwind
colors: {
  custom: {
    50: '#6882a9',
    500: '#1b5285',
    950: '#000000',
  },
}
SCSS
$custom: #1b5285;
$custom-light: #6882a9;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5285",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 133
  },
  "hsl": {
    "h": 208.868,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42982,
    "c": 0.10187,
    "h": 250.2
  },
  "luminance": 0.07961
}

Semantic roles & 50–950 ramp

primary
#1B5285
secondary
#B87C44
accent
#913FE9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #1B5285

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5285 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva