#1B468B#1B468B

#1B468B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.5% C 0.125 H 259.6°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX#1B468B
RGBrgb(27, 70, 139)
HSLhsl(217, 67%, 33%)
HSVhsv(217, 81%, 55%)
CMYKcmyk(80.6%, 49.6%, 0%, 45.5%)
CIE-LABlab(30.58, 11.75, -42.62)
CIE-LCHlch(30.58, 44.21, 285.41°)
OKLaboklab(40.53% -0.0225 -0.1225)
OKLCHoklch(40.53% 0.125 259.6)
XYZxyz(7.3007, 6.4766, 25.2864)
Luminance0.0648 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B468B #8B601B
analogous
#1B7E8B #1B468B #281B8B
triadic
#1B468B #8B1B46 #468B1B
tetradic
#1B468B #8B1B7E #8B601B #1B8B28
square
#1B468B #8B1B7E #8B601B #1B8B28
split-complementary
#1B468B #8B281B #7E8B1B
monochromatic
#071225 #112C58 #1B468B #2560BE #457FDB

Accessibility & contrast

On white

9.15
#1B468B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#1B468B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B468B
9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B468B#FFFFFF#000000##FFFFFF
##1B468B1.009.152.309.15
#FFFFFF9.151.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E4D8E
Deuteranopia (green-blind)
#00438A
Tritanopia (blue-blind)
#005762
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #1b468b;
/* rgb */ color: rgb(27, 70, 139);
/* oklch */ color: oklch(40.5% 0.125 259.6);
Tailwind
colors: {
  custom: {
    50: '#6a78ad',
    500: '#1b468b',
    950: '#000000',
  },
}
SCSS
$custom: #1b468b;
$custom-light: #6a78ad;
$custom-dark: #000000;
JSON
{
  "hex": "#1b468b",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 139
  },
  "hsl": {
    "h": 216.964,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40532,
    "c": 0.12453,
    "h": 259.6
  },
  "luminance": 0.06477
}

Semantic roles & 50–950 ramp

primary
#1B468B
secondary
#BC8F45
accent
#A83DEA
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #1B468B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B468B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva