#4638B9#4638B9

#4638B9 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.3% C 0.193 H 279.9°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX#4638B9
RGBrgb(70, 56, 185)
HSLhsl(247, 54%, 47%)
HSVhsv(247, 70%, 73%)
CMYKcmyk(62.2%, 69.7%, 0%, 27.5%)
CIE-LABlab(33.21, 43.49, -65.99)
CIE-LCHlch(33.21, 79.03, 303.39°)
OKLaboklab(44.28% 0.0332 -0.1903)
OKLCHoklch(44.28% 0.193 279.9)
XYZxyz(12.6941, 7.6323, 46.6938)
Luminance0.0763 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4638B9 #ABB938
analogous
#386AB9 #4638B9 #8738B9
triadic
#4638B9 #B94638 #38B946
tetradic
#4638B9 #B9386A #ABB938 #38B987
square
#4638B9 #B9386A #ABB938 #38B987
split-complementary
#4638B9 #B98738 #6AB938
monochromatic
#221C5B #342A8A #4638B9 #6C5FCF #978EDD

Accessibility & contrast

On white

8.31
#4638B9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#4638B9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4638B9
8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4638B9#FFFFFF#000000##FFFFFF
##4638B91.008.312.538.31
#FFFFFF8.311.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053BD
Deuteranopia (green-blind)
#0049B7
Tritanopia (blue-blind)
#005B74
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #4638b9;
/* rgb */ color: rgb(70, 56, 185);
/* oklch */ color: oklch(44.3% 0.193 279.9);
Tailwind
colors: {
  custom: {
    50: '#8770cf',
    500: '#4638b9',
    950: '#000000',
  },
}
SCSS
$custom: #4638b9;
$custom-light: #8770cf;
$custom-dark: #000000;
JSON
{
  "hex": "#4638b9",
  "rgb": {
    "r": 70,
    "g": 56,
    "b": 185
  },
  "hsl": {
    "h": 246.512,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44279,
    "c": 0.19313,
    "h": 279.9
  },
  "luminance": 0.07633
}

Semantic roles & 50–950 ramp

primary
#4638B9
secondary
#C0C885
accent
#DD4BCD
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0D0714
muted
#7D7A82

Preview Lab

Preview with #4638B9

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

Preview Lab → · Contrast checker → · Palette generator →

#4638B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva