#1B4A89#1B4A89

#1B4A89 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.3% C 0.117 H 257.0°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#1B4A89
RGBrgb(27, 74, 137)
HSLhsl(214, 67%, 32%)
HSVhsv(214, 80%, 54%)
CMYKcmyk(80.3%, 46%, 0%, 46.3%)
CIE-LABlab(31.66, 8.21, -39.66)
CIE-LCHlch(31.66, 40.50, 281.69°)
OKLaboklab(41.32% -0.0262 -0.1137)
OKLCHoklch(41.32% 0.117 257)
XYZxyz(7.4145, 6.9358, 24.6100)
Luminance0.0694 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4A89 #895A1B
analogous
#1B8189 #1B4A89 #231B89
triadic
#1B4A89 #891B4A #4A891B
tetradic
#1B4A89 #891B81 #895A1B #1B8923
square
#1B4A89 #891B81 #895A1B #1B8923
split-complementary
#1B4A89 #89231B #81891B
monochromatic
#071323 #112E56 #1B4A89 #2566BC #4484DA

Accessibility & contrast

On white

8.80
#1B4A89 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#1B4A89 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4A89
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4A89#FFFFFF#000000##FFFFFF
##1B4A891.008.802.398.80
#FFFFFF8.801.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#29508B
Deuteranopia (green-blind)
#124688
Tritanopia (blue-blind)
#005962
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1b4a89;
/* rgb */ color: rgb(27, 74, 137);
/* oklch */ color: oklch(41.3% 0.117 257.0);
Tailwind
colors: {
  custom: {
    50: '#697cac',
    500: '#1b4a89',
    950: '#000000',
  },
}
SCSS
$custom: #1b4a89;
$custom-light: #697cac;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4a89",
  "rgb": {
    "r": 27,
    "g": 74,
    "b": 137
  },
  "hsl": {
    "h": 214.364,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41318,
    "c": 0.11669,
    "h": 257
  },
  "luminance": 0.06937
}

Semantic roles & 50–950 ramp

primary
#1B4A89
secondary
#BC8944
accent
#A03EEA
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #1B4A89

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4A89 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva