#1D49BB#1D49BB

#1D49BB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.2% C 0.186 H 264.1°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX#1D49BB
RGBrgb(29, 73, 187)
HSLhsl(223, 73%, 42%)
HSVhsv(223, 84%, 73%)
CMYKcmyk(84.5%, 61%, 0%, 26.7%)
CIE-LABlab(35.23, 29.01, -63.94)
CIE-LCHlch(35.23, 70.21, 294.41°)
OKLaboklab(45.24% -0.0191 -0.185)
OKLCHoklch(45.24% 0.186 264.1)
XYZxyz(11.8557, 8.6127, 48.0416)
Luminance0.0861 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D49BB #BB8F1D
analogous
#1D98BB #1D49BB #401DBB
triadic
#1D49BB #BB1D49 #49BB1D
tetradic
#1D49BB #BB1D98 #BB8F1D #1DBB40
square
#1D49BB #BB1D98 #BB8F1D #1DBB40
split-complementary
#1D49BB #BB401D #98BB1D
monochromatic
#0D2051 #153486 #1D49BB #3565E0 #6A8DE8

Accessibility & contrast

On white

7.71
#1D49BB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.72
#1D49BB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D49BB
7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D49BB#FFFFFF#000000##FFFFFF
##1D49BB1.007.712.727.71
#FFFFFF7.711.0021.001.00
#0000002.7221.001.0021.00
##FFFFFF7.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005ABF
Deuteranopia (green-blind)
#004CB9
Tritanopia (blue-blind)
#00677B
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1d49bb;
/* rgb */ color: rgb(29, 73, 187);
/* oklch */ color: oklch(45.2% 0.186 264.1);
Tailwind
colors: {
  custom: {
    50: '#777bd0',
    500: '#1d49bb',
    950: '#000000',
  },
}
SCSS
$custom: #1d49bb;
$custom-light: #777bd0;
$custom-dark: #000000;
JSON
{
  "hex": "#1d49bb",
  "rgb": {
    "r": 29,
    "g": 73,
    "b": 187
  },
  "hsl": {
    "h": 223.291,
    "s": 73.148,
    "l": 42.353
  },
  "oklch": {
    "l": 0.45237,
    "c": 0.18603,
    "h": 264.1
  },
  "luminance": 0.08614
}

Semantic roles & 50–950 ramp

primary
#1D49BB
secondary
#CEB166
accent
#BD38F0
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0A0914
muted
#7C7B82

Preview Lab

Preview with #1D49BB

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

Preview Lab → · Contrast checker → · Palette generator →

#1D49BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva