#4663BE#4663BE

#4663BE is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.5% C 0.146 H 267.8°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#4663BE
RGBrgb(70, 99, 190)
HSLhsl(226, 48%, 51%)
HSVhsv(226, 63%, 75%)
CMYKcmyk(63.2%, 47.9%, 0%, 25.5%)
CIE-LABlab(44.15, 18.41, -51.15)
CIE-LCHlch(44.15, 54.36, 289.79°)
OKLaboklab(52.52% -0.0055 -0.1463)
OKLCHoklch(52.52% 0.146 267.8)
XYZxyz(16.2787, 13.9420, 50.5384)
Luminance0.1394 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4663BE #BEA146
analogous
#469FBE #4663BE #6546BE
triadic
#4663BE #BE4663 #63BE46
tetradic
#4663BE #BE469F #BEA146 #46BE65
square
#4663BE #BE469F #BEA146 #46BE65
split-complementary
#4663BE #BE6546 #9FBE46
monochromatic
#243466 #344B93 #4663BE #7389CE #A1AFDE

Accessibility & contrast

On white

5.54
#4663BE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.79
#4663BE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4663BE
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4663BE#FFFFFF#000000##FFFFFF
##4663BE1.005.543.795.54
#FFFFFF5.541.0021.001.00
#0000003.7921.001.0021.00
##FFFFFF5.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#356EC1
Deuteranopia (green-blind)
#1D63BC
Tritanopia (blue-blind)
#007887
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #4663be;
/* rgb */ color: rgb(70, 99, 190);
/* oklch */ color: oklch(52.5% 0.146 267.8);
Tailwind
colors: {
  custom: {
    50: '#858fd2',
    500: '#4663be',
    950: '#000000',
  },
}
SCSS
$custom: #4663be;
$custom-light: #858fd2;
$custom-dark: #000000;
JSON
{
  "hex": "#4663be",
  "rgb": {
    "r": 70,
    "g": 99,
    "b": 190
  },
  "hsl": {
    "h": 225.5,
    "s": 48,
    "l": 50.98
  },
  "oklch": {
    "l": 0.52517,
    "c": 0.14641,
    "h": 267.8
  },
  "luminance": 0.13943
}

Semantic roles & 50–950 ramp

primary
#4663BE
secondary
#CABE95
accent
#B750D8
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0C0C14
muted
#7D7D83

Preview Lab

Preview with #4663BE

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

Preview Lab → · Contrast checker → · Palette generator →

#4663BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva