#4639B9#4639B9

#4639B9 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.4% C 0.192 H 279.7°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#4639B9
RGBrgb(70, 57, 185)
HSLhsl(246, 53%, 47%)
HSVhsv(246, 69%, 73%)
CMYKcmyk(62.2%, 69.2%, 0%, 27.5%)
CIE-LABlab(33.41, 42.91, -65.64)
CIE-LCHlch(33.41, 78.42, 303.17°)
OKLaboklab(44.43% 0.0324 -0.1893)
OKLCHoklch(44.43% 0.192 279.7)
XYZxyz(12.7431, 7.7302, 46.7101)
Luminance0.0773 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4639B9 #ACB939
analogous
#396CB9 #4639B9 #8639B9
triadic
#4639B9 #B94639 #39B946
tetradic
#4639B9 #B9396C #ACB939 #39B986
square
#4639B9 #B9396C #ACB939 #39B986
split-complementary
#4639B9 #B98639 #6CB939
monochromatic
#231C5B #342B8A #4639B9 #6C61CE #9890DD

Accessibility & contrast

On white

8.25
#4639B9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#4639B9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639B9
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4639B9#FFFFFF#000000##FFFFFF
##4639B91.008.252.558.25
#FFFFFF8.251.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053BD
Deuteranopia (green-blind)
#004AB7
Tritanopia (blue-blind)
#005B74
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #4639b9;
/* rgb */ color: rgb(70, 57, 185);
/* oklch */ color: oklch(44.4% 0.192 279.7);
Tailwind
colors: {
  custom: {
    50: '#8771cf',
    500: '#4639b9',
    950: '#000000',
  },
}
SCSS
$custom: #4639b9;
$custom-light: #8771cf;
$custom-dark: #000000;
JSON
{
  "hex": "#4639b9",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 185
  },
  "hsl": {
    "h": 246.094,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44429,
    "c": 0.19202,
    "h": 279.7
  },
  "luminance": 0.07731
}

Semantic roles & 50–950 ramp

primary
#4639B9
secondary
#C1C886
accent
#DC4BCE
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0814
muted
#7D7B82

Preview Lab

Preview with #4639B9

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

Preview Lab → · Contrast checker → · Palette generator →

#4639B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva