#4D37E0#4D37E0

#4D37E0 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.4% C 0.239 H 278.5°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#4D37E0
RGB	rgb(77, 55, 224)
HSL	hsl(248, 73%, 55%)
HSV	hsv(248, 75%, 88%)
CMYK	cmyk(65.6%, 75.4%, 0%, 12.2%)
CIE-LAB	lab(37.28, 56.82, -81.92)
CIE-LCH	lch(37.28, 99.70, 304.74°)
OKLab	oklab(48.43% 0.0352 -0.2366)
OKLCH	oklch(48.43% 0.239 278.5)
XYZ	xyz(17.8770, 9.6905, 71.4349)
Luminance	0.0969 (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

#4D37E0 #CAE037

analogous

#3775E0 #4D37E0 #A237E0

triadic

#4D37E0 #E04D37 #37E04D

tetradic

#4D37E0 #E03775 #CAE037 #37E0A2

square

#4D37E0 #E03775 #CAE037 #37E0A2

split-complementary

#4D37E0 #E0A237 #75E037

monochromatic

#241588 #321DBD #4D37E0 #7C6CE8 #ABA1F0

Accessibility & contrast

On white

7.15

#4D37E0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4D37E0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D37E0

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D37E0	#FFFFFF	#000000	##FFFFFF
##4D37E0	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EE5

Deuteranopia (green-blind)

#0051DD

Tritanopia (blue-blind)

#00688A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4d37e0;
/* rgb */ color: rgb(77, 55, 224);
/* oklch */ color: oklch(48.4% 0.239 278.5);

Tailwind

colors: {
  custom: {
    50: '#9272eb',
    500: '#4d37e0',
    950: '#000000',
  },
}

SCSS

$custom: #4d37e0;
$custom-light: #9272eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d37e0",
  "rgb": {
    "r": 77,
    "g": 55,
    "b": 224
  },
  "hsl": {
    "h": 247.811,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.48429,
    "c": 0.23922,
    "h": 278.5
  },
  "luminance": 0.09692
}

Semantic roles & 50–950 ramp

primary

#4D37E0

secondary

#D4DD96

accent

#F038D8

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0816

muted

#7E7B84

Preview Lab

Preview with #4D37E0

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

Preview Lab → · Contrast checker → · Palette generator →