#4971D9#4971D9

#4971D9 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.165 H 265.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#4971D9
RGBrgb(73, 113, 217)
HSLhsl(223, 65%, 57%)
HSVhsv(223, 66%, 85%)
CMYKcmyk(66.4%, 47.9%, 0%, 14.9%)
CIE-LABlab(49.78, 19.57, -57.57)
CIE-LCHlch(49.78, 60.81, 288.77°)
OKLaboklab(57.4% -0.0126 -0.165)
OKLCHoklch(57.4% 0.165 265.6)
XYZxyz(21.1728, 18.2344, 68.0360)
Luminance0.1824 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4971D9 #D9B149
analogous
#49B9D9 #4971D9 #6949D9
triadic
#4971D9 #D94971 #71D949
tetradic
#4971D9 #D949B9 #D9B149 #49D969
square
#4971D9 #D949B9 #D9B149 #49D969
split-complementary
#4971D9 #D96949 #B9D949
monochromatic
#1D3B8B #2851BD #4971D9 #7C99E4 #AEC0EE

Accessibility & contrast

On white

4.52
#4971D9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#4971D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4971D9
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4971D9#FFFFFF#000000##000000
##4971D91.004.524.654.65
#FFFFFF4.521.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#3A7DDD
Deuteranopia (green-blind)
#1770D7
Tritanopia (blue-blind)
#00899A
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #4971d9;
/* rgb */ color: rgb(73, 113, 217);
/* oklch */ color: oklch(57.4% 0.165 265.6);
Tailwind
colors: {
  custom: {
    50: '#8b99e5',
    500: '#4971d9',
    950: '#000000',
  },
}
SCSS
$custom: #4971d9;
$custom-light: #8b99e5;
$custom-dark: #000000;
JSON
{
  "hex": "#4971d9",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 217
  },
  "hsl": {
    "h": 223.333,
    "s": 65.455,
    "l": 56.863
  },
  "oklch": {
    "l": 0.57396,
    "c": 0.16544,
    "h": 265.6
  },
  "luminance": 0.18236
}

Semantic roles & 50–950 ramp

primary
#4971D9
secondary
#DCCCA2
accent
#B93FE8
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0D16
muted
#7E7E84

Preview Lab

Preview with #4971D9

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

Preview Lab → · Contrast checker → · Palette generator →

#4971D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva