#4537CB#4537CB

#4537CB is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.8% C 0.216 H 277.8°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX#4537CB
RGBrgb(69, 55, 203)
HSLhsl(246, 59%, 51%)
HSVhsv(246, 73%, 80%)
CMYKcmyk(66%, 72.9%, 0%, 20.4%)
CIE-LABlab(34.62, 49.58, -74.22)
CIE-LCHlch(34.62, 89.26, 303.74°)
OKLaboklab(45.78% 0.0292 -0.2144)
OKLCHoklch(45.78% 0.216 277.8)
XYZxyz(14.5964, 8.3081, 57.3228)
Luminance0.0831 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4537CB #BDCB37
analogous
#3773CB #4537CB #8F37CB
triadic
#4537CB #CB4537 #37CB45
tetradic
#4537CB #CB3773 #BDCB37 #37CB8F
square
#4537CB #CB3773 #BDCB37 #37CB8F
split-complementary
#4537CB #CB8F37 #73CB37
monochromatic
#241C6C #34299C #4537CB #7268D8 #9F98E4

Accessibility & contrast

On white

7.89
#4537CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#4537CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537CB
7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4537CB#FFFFFF#000000##FFFFFF
##4537CB1.007.892.667.89
#FFFFFF7.891.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057CF
Deuteranopia (green-blind)
#004BC8
Tritanopia (blue-blind)
#00617E
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #4537cb;
/* rgb */ color: rgb(69, 55, 203);
/* oklch */ color: oklch(45.8% 0.216 277.8);
Tailwind
colors: {
  custom: {
    50: '#8a70dc',
    500: '#4537cb',
    950: '#000000',
  },
}
SCSS
$custom: #4537cb;
$custom-light: #8a70dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4537cb",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 245.676,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45778,
    "c": 0.21635,
    "h": 277.8
  },
  "luminance": 0.08309
}

Semantic roles & 50–950 ramp

primary
#4537CB
secondary
#CAD08E
accent
#E246D3
background
#F9F6FD
surface
#F2ECFB
border
#CCC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4537CB

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

Preview Lab → · Contrast checker → · Palette generator →

#4537CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva