#1D44A6#1D44A6

#1D44A6 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.164 H 264.1°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX#1D44A6
RGBrgb(29, 68, 166)
HSLhsl(223, 70%, 38%)
HSVhsv(223, 83%, 65%)
CMYKcmyk(82.5%, 59%, 0%, 34.9%)
CIE-LABlab(32.14, 24.17, -56.50)
CIE-LCHlch(32.14, 61.45, 293.16°)
OKLaboklab(42.38% -0.0169 -0.1633)
OKLCHoklch(42.38% 0.164 264.1)
XYZxyz(9.4543, 7.1475, 36.9503)
Luminance0.0715 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D44A6 #A67F1D
analogous
#1D88A6 #1D44A6 #3B1DA6
triadic
#1D44A6 #A61D44 #44A61D
tetradic
#1D44A6 #A61D88 #A67F1D #1DA63B
square
#1D44A6 #A61D88 #A67F1D #1DA63B
split-complementary
#1D44A6 #A63B1D #88A61D
monochromatic
#0B193E #142F72 #1D44A6 #275AD9 #5B82E2

Accessibility & contrast

On white

8.64
#1D44A6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.43
#1D44A6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D44A6
8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D44A6#FFFFFF#000000##FFFFFF
##1D44A61.008.642.438.64
#FFFFFF8.641.0021.001.00
#0000002.4321.001.0021.00
##FFFFFF8.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052A9
Deuteranopia (green-blind)
#0046A4
Tritanopia (blue-blind)
#005D6E
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1d44a6;
/* rgb */ color: rgb(29, 68, 166);
/* oklch */ color: oklch(42.4% 0.164 264.1);
Tailwind
colors: {
  custom: {
    50: '#7277c1',
    500: '#1d44a6',
    950: '#000000',
  },
}
SCSS
$custom: #1d44a6;
$custom-light: #7277c1;
$custom-dark: #000000;
JSON
{
  "hex": "#1d44a6",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 166
  },
  "hsl": {
    "h": 222.92,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.42382,
    "c": 0.16421,
    "h": 264.1
  },
  "luminance": 0.07149
}

Semantic roles & 50–950 ramp

primary
#1D44A6
secondary
#C6A759
accent
#BA3BED
background
#F7F7FC
surface
#EDEDF8
border
#C8C8D1
text
#090812
muted
#7B7B81

Preview Lab

Preview with #1D44A6

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

Preview Lab → · Contrast checker → · Palette generator →

#1D44A6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva