#4C39BC#4C39BC

#4C39BC is a mid, vivid blue. Relative luminance 0.081; OKLCH L 45.2% C 0.195 H 281.9°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#4C39BC
RGB	rgb(76, 57, 188)
HSL	hsl(249, 53%, 48%)
HSV	hsv(249, 70%, 74%)
CMYK	cmyk(59.6%, 69.7%, 0%, 26.3%)
CIE-LAB	lab(34.18, 44.72, -66.15)
CIE-LCH	lch(34.18, 79.84, 304.06°)
OKLab	oklab(45.18% 0.04 -0.1905)
OKLCH	oklch(45.18% 0.195 281.9)
XYZ	xyz(13.5179, 8.0927, 48.4169)
Luminance	0.0809 (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

#4C39BC #A9BC39

analogous

#3968BC #4C39BC #8D39BC

triadic

#4C39BC #BC4C39 #39BC4C

tetradic

#4C39BC #BC3968 #A9BC39 #39BC8D

square

#4C39BC #BC3968 #A9BC39 #39BC8D

split-complementary

#4C39BC #BC8D39 #68BC39

monochromatic

#261D5E #392B8D #4C39BC #7263D0 #9D92DE

Accessibility & contrast

On white

8.02

#4C39BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#4C39BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C39BC

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C39BC	#FFFFFF	#000000	##FFFFFF
##4C39BC	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C0

Deuteranopia (green-blind)

#004CBA

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4c39bc;
/* rgb */ color: rgb(76, 57, 188);
/* oklch */ color: oklch(45.2% 0.195 281.9);

Tailwind

colors: {
  custom: {
    50: '#8a71d1',
    500: '#4c39bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c39bc;
$custom-light: #8a71d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c39bc",
  "rgb": {
    "r": 76,
    "g": 57,
    "b": 188
  },
  "hsl": {
    "h": 248.702,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.4518,
    "c": 0.19471,
    "h": 281.9
  },
  "luminance": 0.08094
}

Semantic roles & 50–950 ramp

primary

#4C39BC

secondary

#BFC988

accent

#DD4BC8

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4C39BC

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

Preview Lab → · Contrast checker → · Palette generator →