#4639BF#4639BF

#4639BF is a dark, vivid blue. Relative luminance 0.080; OKLCH L 45.0% C 0.199 H 279.1°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX#4639BF
RGBrgb(70, 57, 191)
HSLhsl(246, 54%, 49%)
HSVhsv(246, 70%, 75%)
CMYKcmyk(63.4%, 70.2%, 0%, 25.1%)
CIE-LABlab(33.96, 44.82, -68.28)
CIE-LCHlch(33.96, 81.68, 303.28°)
OKLaboklab(44.99% 0.0315 -0.197)
OKLCHoklch(44.99% 0.199 279.1)
XYZxyz(13.3899, 7.9889, 50.1165)
Luminance0.0799 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4639BF #B2BF39
analogous
#396FBF #4639BF #8939BF
triadic
#4639BF #BF4639 #39BF46
tetradic
#4639BF #BF396F #B2BF39 #39BF89
square
#4639BF #BF396F #B2BF39 #39BF89
split-complementary
#4639BF #BF8939 #6FBF39
monochromatic
#231D61 #352B90 #4639BF #6F64D1 #9B93DF

Accessibility & contrast

On white

8.08
#4639BF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#4639BF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639BF
8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4639BF#FFFFFF#000000##FFFFFF
##4639BF1.008.082.608.08
#FFFFFF8.081.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055C3
Deuteranopia (green-blind)
#004ABC
Tritanopia (blue-blind)
#005D78
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #4639bf;
/* rgb */ color: rgb(70, 57, 191);
/* oklch */ color: oklch(45.0% 0.199 279.1);
Tailwind
colors: {
  custom: {
    50: '#8871d3',
    500: '#4639bf',
    950: '#000000',
  },
}
SCSS
$custom: #4639bf;
$custom-light: #8871d3;
$custom-dark: #000000;
JSON
{
  "hex": "#4639bf",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 191
  },
  "hsl": {
    "h": 245.821,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44987,
    "c": 0.19948,
    "h": 279.1
  },
  "luminance": 0.0799
}

Semantic roles & 50–950 ramp

primary
#4639BF
secondary
#C4CA8A
accent
#DD4ACF
background
#F9F6FD
surface
#F1ECFA
border
#CBC7D3
text
#0D0814
muted
#7E7B83

Preview Lab

Preview with #4639BF

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

Preview Lab → · Contrast checker → · Palette generator →

#4639BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva