#4A37BA#4A37BA

#4A37BA is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.5% C 0.195 H 281.6°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#4A37BA
RGB	rgb(74, 55, 186)
HSL	hsl(249, 54%, 47%)
HSV	hsv(249, 70%, 73%)
CMYK	cmyk(60.2%, 70.4%, 0%, 27.1%)
CIE-LAB	lab(33.42, 44.93, -66.21)
CIE-LCH	lch(33.42, 80.02, 304.16°)
OKLab	oklab(44.54% 0.0392 -0.1908)
OKLCH	oklch(44.54% 0.195 281.6)
XYZ	xyz(13.0504, 7.7325, 47.2497)
Luminance	0.0773 (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

#4A37BA #A7BA37

analogous

#3766BA #4A37BA #8B37BA

triadic

#4A37BA #BA4A37 #37BA4A

tetradic

#4A37BA #BA3766 #A7BA37 #37BA8B

square

#4A37BA #BA3766 #A7BA37 #37BA8B

split-complementary

#4A37BA #BA8B37 #66BA37

monochromatic

#241B5C #37298B #4A37BA #6F5FD0 #998EDE

Accessibility & contrast

On white

8.25

#4A37BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4A37BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A37BA

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A37BA	#FFFFFF	#000000	##FFFFFF
##4A37BA	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4a37ba;
/* rgb */ color: rgb(74, 55, 186);
/* oklch */ color: oklch(44.5% 0.195 281.6);

Tailwind

colors: {
  custom: {
    50: '#8970d0',
    500: '#4a37ba',
    950: '#000000',
  },
}

SCSS

$custom: #4a37ba;
$custom-light: #8970d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4a37ba",
  "rgb": {
    "r": 74,
    "g": 55,
    "b": 186
  },
  "hsl": {
    "h": 248.702,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44543,
    "c": 0.19479,
    "h": 281.6
  },
  "luminance": 0.07733
}

Semantic roles & 50–950 ramp

primary

#4A37BA

secondary

#BEC885

accent

#DE4AC8

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0714

muted

#7E7A82

Preview Lab

Preview with #4A37BA

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

Preview Lab → · Contrast checker → · Palette generator →