#4637CB#4637CB

#4637CB is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.9% C 0.216 H 278.1°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX#4637CB
RGBrgb(70, 55, 203)
HSLhsl(246, 59%, 51%)
HSVhsv(246, 73%, 80%)
CMYKcmyk(65.5%, 72.9%, 0%, 20.4%)
CIE-LABlab(34.69, 49.70, -74.10)
CIE-LCHlch(34.69, 89.22, 303.85°)
OKLaboklab(45.85% 0.0306 -0.214)
OKLCHoklch(45.85% 0.216 278.1)
XYZxyz(14.6680, 8.3450, 57.3261)
Luminance0.0835 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4637CB #BCCB37
analogous
#3772CB #4637CB #9037CB
triadic
#4637CB #CB4637 #37CB46
tetradic
#4637CB #CB3772 #BCCB37 #37CB90
square
#4637CB #CB3772 #BCCB37 #37CB90
split-complementary
#4637CB #CB9037 #72CB37
monochromatic
#241C6C #34299C #4637CB #7368D8 #A098E4

Accessibility & contrast

On white

7.87
#4637CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#4637CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637CB
7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4637CB#FFFFFF#000000##FFFFFF
##4637CB1.007.872.677.87
#FFFFFF7.871.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057CF
Deuteranopia (green-blind)
#004BC8
Tritanopia (blue-blind)
#00617E
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #4637cb;
/* rgb */ color: rgb(70, 55, 203);
/* oklch */ color: oklch(45.9% 0.216 278.1);
Tailwind
colors: {
  custom: {
    50: '#8a70dc',
    500: '#4637cb',
    950: '#000000',
  },
}
SCSS
$custom: #4637cb;
$custom-light: #8a70dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4637cb",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 246.081,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.4585,
    "c": 0.21614,
    "h": 278.1
  },
  "luminance": 0.08346
}

Semantic roles & 50–950 ramp

primary
#4637CB
secondary
#C9D08E
accent
#E246D2
background
#F9F6FD
surface
#F2ECFB
border
#CCC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4637CB

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

Preview Lab → · Contrast checker → · Palette generator →

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