#4B71D8#4B71D8

#4B71D8 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.4% C 0.163 H 266.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#4B71D8
RGBrgb(75, 113, 216)
HSLhsl(224, 64%, 57%)
HSVhsv(224, 65%, 85%)
CMYKcmyk(65.3%, 47.7%, 0%, 15.3%)
CIE-LABlab(49.81, 19.54, -56.95)
CIE-LCHlch(49.81, 60.21, 288.94°)
OKLaboklab(57.43% -0.011 -0.1631)
OKLCHoklch(57.43% 0.163 266.2)
XYZxyz(21.1972, 18.2620, 67.3603)
Luminance0.1826 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B71D8 #D8B24B
analogous
#4BB8D8 #4B71D8 #6C4BD8
triadic
#4B71D8 #D84B71 #71D84B
tetradic
#4B71D8 #D84BB8 #D8B24B #4BD86C
square
#4B71D8 #D84BB8 #D8B24B #4BD86C
split-complementary
#4B71D8 #D86C4B #B8D84B
monochromatic
#1E3B8B #2951BD #4B71D8 #7D99E3 #B0C0EE

Accessibility & contrast

On white

4.51
#4B71D8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#4B71D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B71D8
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B71D8#FFFFFF#000000##000000
##4B71D81.004.514.654.65
#FFFFFF4.511.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#3B7DDC
Deuteranopia (green-blind)
#1C70D6
Tritanopia (blue-blind)
#00899A
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #4b71d8;
/* rgb */ color: rgb(75, 113, 216);
/* oklch */ color: oklch(57.4% 0.163 266.2);
Tailwind
colors: {
  custom: {
    50: '#8b99e5',
    500: '#4b71d8',
    950: '#000000',
  },
}
SCSS
$custom: #4b71d8;
$custom-light: #8b99e5;
$custom-dark: #000000;
JSON
{
  "hex": "#4b71d8",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 216
  },
  "hsl": {
    "h": 223.83,
    "s": 64.384,
    "l": 57.059
  },
  "oklch": {
    "l": 0.57427,
    "c": 0.16345,
    "h": 266.2
  },
  "luminance": 0.18264
}

Semantic roles & 50–950 ramp

primary
#4B71D8
secondary
#DCCDA3
accent
#BA40E7
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0D16
muted
#7E7E84

Preview Lab

Preview with #4B71D8

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

Preview Lab → · Contrast checker → · Palette generator →

#4B71D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva