#4637BF#4637BF

#4637BF is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.7% C 0.202 H 279.4°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#4637BF
RGBrgb(70, 55, 191)
HSLhsl(247, 55%, 48%)
HSVhsv(247, 71%, 75%)
CMYKcmyk(63.4%, 71.2%, 0%, 25.1%)
CIE-LABlab(33.55, 45.95, -68.95)
CIE-LCHlch(33.55, 82.86, 303.68°)
OKLaboklab(44.7% 0.0329 -0.1989)
OKLCHoklch(44.7% 0.202 279.4)
XYZxyz(13.2929, 7.7950, 50.0842)
Luminance0.0780 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4637BF #B0BF37
analogous
#376CBF #4637BF #8A37BF
triadic
#4637BF #BF4637 #37BF46
tetradic
#4637BF #BF376C #B0BF37 #37BF8A
square
#4637BF #BF376C #B0BF37 #37BF8A
split-complementary
#4637BF #BF8A37 #6CBF37
monochromatic
#231C60 #35298F #4637BF #6E62D2 #9A91DF

Accessibility & contrast

On white

8.21
#4637BF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#4637BF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637BF
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4637BF#FFFFFF#000000##FFFFFF
##4637BF1.008.212.568.21
#FFFFFF8.211.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0054C3
Deuteranopia (green-blind)
#004ABC
Tritanopia (blue-blind)
#005C77
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #4637bf;
/* rgb */ color: rgb(70, 55, 191);
/* oklch */ color: oklch(44.7% 0.202 279.4);
Tailwind
colors: {
  custom: {
    50: '#8870d3',
    500: '#4637bf',
    950: '#000000',
  },
}
SCSS
$custom: #4637bf;
$custom-light: #8870d3;
$custom-dark: #000000;
JSON
{
  "hex": "#4637bf",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 191
  },
  "hsl": {
    "h": 246.618,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44696,
    "c": 0.20164,
    "h": 279.4
  },
  "luminance": 0.07796
}

Semantic roles & 50–950 ramp

primary
#4637BF
secondary
#C3CA88
accent
#DF49CE
background
#F9F6FD
surface
#F1ECFA
border
#CBC7D3
text
#0D0714
muted
#7E7A83

Preview Lab

Preview with #4637BF

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

Preview Lab → · Contrast checker → · Palette generator →

#4637BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva