#4C39BB#4C39BB

#4C39BB is a mid, vivid blue. Relative luminance 0.081; OKLCH L 45.1% C 0.193 H 282.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#4C39BB
RGB	rgb(76, 57, 187)
HSL	hsl(249, 53%, 48%)
HSV	hsv(249, 70%, 73%)
CMYK	cmyk(59.4%, 69.5%, 0%, 26.7%)
CIE-LAB	lab(34.09, 44.41, -65.70)
CIE-LCH	lch(34.09, 79.30, 304.06°)
OKLab	oklab(45.09% 0.0402 -0.1892)
OKLCH	oklch(45.09% 0.193 282)
XYZ	xyz(13.4105, 8.0497, 47.8512)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C39BB #A8BB39

analogous

#3967BB #4C39BB #8D39BB

triadic

#4C39BB #BB4C39 #39BB4C

tetradic

#4C39BB #BB3967 #A8BB39 #39BB8D

square

#4C39BB #BB3967 #A8BB39 #39BB8D

split-complementary

#4C39BB #BB8D39 #67BB39

monochromatic

#261C5D #392B8C #4C39BB #7262CF #9C91DD

Accessibility & contrast

On white

8.05

#4C39BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4C39BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C39BB

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C39BB	#FFFFFF	#000000	##FFFFFF
##4C39BB	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#004CB9

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4c39bb;
/* rgb */ color: rgb(76, 57, 187);
/* oklch */ color: oklch(45.1% 0.193 282.0);

Tailwind

colors: {
  custom: {
    50: '#8a71d1',
    500: '#4c39bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c39bb;
$custom-light: #8a71d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c39bb",
  "rgb": {
    "r": 76,
    "g": 57,
    "b": 187
  },
  "hsl": {
    "h": 248.769,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45089,
    "c": 0.19347,
    "h": 282
  },
  "luminance": 0.08051
}

Semantic roles & 50–950 ramp

primary

#4C39BB

secondary

#BFC887

accent

#DD4BC7

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4C39BB

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

Preview Lab → · Contrast checker → · Palette generator →