#4B37DF#4B37DF

#4B37DF is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 48.2% C 0.238 H 277.9°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#4B37DF
RGB	rgb(75, 55, 223)
HSL	hsl(247, 72%, 55%)
HSV	hsv(247, 75%, 87%)
CMYK	cmyk(66.4%, 75.3%, 0%, 12.5%)
CIE-LAB	lab(37.03, 56.32, -81.77)
CIE-LCH	lch(37.03, 99.29, 304.56°)
OKLab	oklab(48.19% 0.0328 -0.2362)
OKLCH	oklch(48.19% 0.238 277.9)
XYZ	xyz(17.5828, 9.5544, 70.7153)
Luminance	0.0956 (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

#4B37DF #CBDF37

analogous

#3777DF #4B37DF #9F37DF

triadic

#4B37DF #DF4B37 #37DF4B

tetradic

#4B37DF #DF3777 #CBDF37 #37DF9F

square

#4B37DF #DF3777 #CBDF37 #37DF9F

split-complementary

#4B37DF #DF9F37 #77DF37

monochromatic

#231586 #311EBB #4B37DF #7A6CE7 #AAA1F0

Accessibility & contrast

On white

7.21

#4B37DF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4B37DF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37DF

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37DF	#FFFFFF	#000000	##FFFFFF
##4B37DF	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EE4

Deuteranopia (green-blind)

#0050DC

Tritanopia (blue-blind)

#006889

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4b37df;
/* rgb */ color: rgb(75, 55, 223);
/* oklch */ color: oklch(48.2% 0.238 277.9);

Tailwind

colors: {
  custom: {
    50: '#9071ea',
    500: '#4b37df',
    950: '#000000',
  },
}

SCSS

$custom: #4b37df;
$custom-light: #9071ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37df",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 223
  },
  "hsl": {
    "h": 247.143,
    "s": 72.414,
    "l": 54.51
  },
  "oklch": {
    "l": 0.48185,
    "c": 0.23848,
    "h": 277.9
  },
  "luminance": 0.09556
}

Semantic roles & 50–950 ramp

primary

#4B37DF

secondary

#D4DC95

accent

#EF39D9

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4B37DF

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

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