#1B4989#1B4989

#1B4989 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 41.1% C 0.118 H 257.6°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX#1B4989
RGBrgb(27, 73, 137)
HSLhsl(215, 67%, 32%)
HSVhsv(215, 80%, 54%)
CMYKcmyk(80.3%, 46.7%, 0%, 46.3%)
CIE-LABlab(31.36, 8.89, -40.15)
CIE-LCHlch(31.36, 41.12, 282.48°)
OKLaboklab(41.08% -0.0254 -0.1152)
OKLCHoklch(41.08% 0.118 257.6)
XYZxyz(7.3482, 6.8034, 24.5880)
Luminance0.0680 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4989 #895B1B
analogous
#1B8089 #1B4989 #241B89
triadic
#1B4989 #891B49 #49891B
tetradic
#1B4989 #891B80 #895B1B #1B8924
square
#1B4989 #891B80 #895B1B #1B8924
split-complementary
#1B4989 #89241B #80891B
monochromatic
#071323 #112E56 #1B4989 #2564BC #4483DA

Accessibility & contrast

On white

8.90
#1B4989 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#1B4989 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4989
8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4989#FFFFFF#000000##FFFFFF
##1B49891.008.902.368.90
#FFFFFF8.901.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#274F8B
Deuteranopia (green-blind)
#0E4588
Tritanopia (blue-blind)
#005862
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1b4989;
/* rgb */ color: rgb(27, 73, 137);
/* oklch */ color: oklch(41.1% 0.118 257.6);
Tailwind
colors: {
  custom: {
    50: '#697bac',
    500: '#1b4989',
    950: '#000000',
  },
}
SCSS
$custom: #1b4989;
$custom-light: #697bac;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4989",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 137
  },
  "hsl": {
    "h": 214.909,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41082,
    "c": 0.11792,
    "h": 257.6
  },
  "luminance": 0.06804
}

Semantic roles & 50–950 ramp

primary
#1B4989
secondary
#BC8A44
accent
#A23EEA
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #1B4989

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4989 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva