#4651BB#4651BB

#4651BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.165 H 274.1°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#4651BB
RGBrgb(70, 81, 187)
HSLhsl(234, 46%, 50%)
HSVhsv(234, 63%, 73%)
CMYKcmyk(62.6%, 56.7%, 0%, 26.7%)
CIE-LABlab(39.20, 28.85, -57.39)
CIE-LCHlch(39.20, 64.23, 296.69°)
OKLaboklab(48.72% 0.0117 -0.1649)
OKLCHoklch(48.72% 0.165 274.1)
XYZxyz(14.4349, 10.7736, 48.3229)
Luminance0.1077 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4651BB #BBB046
analogous
#468BBB #4651BB #7546BB
triadic
#4651BB #BB4651 #51BB46
tetradic
#4651BB #BB468B #BBB046 #46BB75
square
#4651BB #BB468B #BBB046 #46BB75
split-complementary
#4651BB #BB7546 #8BBB46
monochromatic
#242A62 #353D8F #4651BB #737BCB #A0A5DC

Accessibility & contrast

On white

6.66
#4651BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#4651BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4651BB
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4651BB#FFFFFF#000000##FFFFFF
##4651BB1.006.663.166.66
#FFFFFF6.661.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062BF
Deuteranopia (green-blind)
#0057B9
Tritanopia (blue-blind)
#006A7E
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #4651bb;
/* rgb */ color: rgb(70, 81, 187);
/* oklch */ color: oklch(48.7% 0.165 274.1);
Tailwind
colors: {
  custom: {
    50: '#8581d0',
    500: '#4651bb',
    950: '#000000',
  },
}
SCSS
$custom: #4651bb;
$custom-light: #8581d0;
$custom-dark: #000000;
JSON
{
  "hex": "#4651bb",
  "rgb": {
    "r": 70,
    "g": 81,
    "b": 187
  },
  "hsl": {
    "h": 234.359,
    "s": 46.245,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48715,
    "c": 0.16531,
    "h": 274.1
  },
  "luminance": 0.10775
}

Semantic roles & 50–950 ramp

primary
#4651BB
secondary
#C8C494
accent
#C952D6
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0C0A14
muted
#7D7C82

Preview Lab

Preview with #4651BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4651BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva