#4A39BB#4A39BB

#4A39BB is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.9% C 0.194 H 281.2°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#4A39BB
RGB	rgb(74, 57, 187)
HSL	hsl(248, 53%, 48%)
HSV	hsv(248, 70%, 73%)
CMYK	cmyk(60.4%, 69.5%, 0%, 26.7%)
CIE-LAB	lab(33.92, 44.12, -65.98)
CIE-LCH	lch(33.92, 79.37, 303.77°)
OKLab	oklab(44.93% 0.0375 -0.1901)
OKLCH	oklch(44.93% 0.194 281.2)
XYZ	xyz(13.2540, 7.9690, 47.8438)
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

#4A39BB #AABB39

analogous

#3969BB #4A39BB #8B39BB

triadic

#4A39BB #BB4A39 #39BB4A

tetradic

#4A39BB #BB3969 #AABB39 #39BB8B

square

#4A39BB #BB3969 #AABB39 #39BB8B

split-complementary

#4A39BB #BB8B39 #69BB39

monochromatic

#251C5D #372B8C #4A39BB #7062CF #9B91DD

Accessibility & contrast

On white

8.10

#4A39BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4A39BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A39BB

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A39BB	#FFFFFF	#000000	##FFFFFF
##4A39BB	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)

#0054BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4a39bb;
/* rgb */ color: rgb(74, 57, 187);
/* oklch */ color: oklch(44.9% 0.194 281.2);

Tailwind

colors: {
  custom: {
    50: '#8971d1',
    500: '#4a39bb',
    950: '#000000',
  },
}

SCSS

$custom: #4a39bb;
$custom-light: #8971d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4a39bb",
  "rgb": {
    "r": 74,
    "g": 57,
    "b": 187
  },
  "hsl": {
    "h": 247.846,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44927,
    "c": 0.1938,
    "h": 281.2
  },
  "luminance": 0.0797
}

Semantic roles & 50–950 ramp

primary

#4A39BB

secondary

#C0C887

accent

#DD4BCA

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4A39BB

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

Preview Lab → · Contrast checker → · Palette generator →