#4B39BA#4B39BA

#4B39BA is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.9% C 0.192 H 281.7°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#4B39BA
RGB	rgb(75, 57, 186)
HSL	hsl(248, 53%, 48%)
HSV	hsv(248, 69%, 73%)
CMYK	cmyk(59.7%, 69.4%, 0%, 27.1%)
CIE-LAB	lab(33.91, 43.95, -65.40)
CIE-LCH	lch(33.91, 78.80, 303.90°)
OKLab	oklab(44.92% 0.039 -0.1884)
OKLCH	oklch(44.92% 0.192 281.7)
XYZ	xyz(13.2249, 7.9664, 47.2856)
Luminance	0.0797 (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

#4B39BA #A8BA39

analogous

#3968BA #4B39BA #8B39BA

triadic

#4B39BA #BA4B39 #39BA4B

tetradic

#4B39BA #BA3968 #A8BA39 #39BA8B

square

#4B39BA #BA3968 #A8BA39 #39BA8B

split-complementary

#4B39BA #BA8B39 #68BA39

monochromatic

#251C5C #382B8B #4B39BA #7161CF #9B90DD

Accessibility & contrast

On white

8.10

#4B39BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4B39BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B39BA

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B39BA	#FFFFFF	#000000	##FFFFFF
##4B39BA	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4b39ba;
/* rgb */ color: rgb(75, 57, 186);
/* oklch */ color: oklch(44.9% 0.192 281.7);

Tailwind

colors: {
  custom: {
    50: '#8971d0',
    500: '#4b39ba',
    950: '#000000',
  },
}

SCSS

$custom: #4b39ba;
$custom-light: #8971d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b39ba",
  "rgb": {
    "r": 75,
    "g": 57,
    "b": 186
  },
  "hsl": {
    "h": 248.372,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44917,
    "c": 0.1924,
    "h": 281.7
  },
  "luminance": 0.07967
}

Semantic roles & 50–950 ramp

primary

#4B39BA

secondary

#BFC887

accent

#DC4BC8

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4B39BA

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

Preview Lab → · Contrast checker → · Palette generator →