#4A37B8#4A37B8

#4A37B8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.4% C 0.192 H 281.9°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#4A37B8
RGB	rgb(74, 55, 184)
HSL	hsl(249, 54%, 47%)
HSV	hsv(249, 70%, 72%)
CMYK	cmyk(59.8%, 70.1%, 0%, 27.8%)
CIE-LAB	lab(33.24, 44.31, -65.33)
CIE-LCH	lch(33.24, 78.94, 304.15°)
OKLab	oklab(44.36% 0.0396 -0.1882)
OKLCH	oklch(44.36% 0.192 281.9)
XYZ	xyz(12.8393, 7.6480, 46.1378)
Luminance	0.0765 (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

#4A37B8 #A5B837

analogous

#3765B8 #4A37B8 #8B37B8

triadic

#4A37B8 #B84A37 #37B84A

tetradic

#4A37B8 #B83765 #A5B837 #37B88B

square

#4A37B8 #B83765 #A5B837 #37B88B

split-complementary

#4A37B8 #B88B37 #65B837

monochromatic

#241B5A #372989 #4A37B8 #6E5DCF #988DDD

Accessibility & contrast

On white

8.30

#4A37B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4A37B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A37B8

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A37B8	#FFFFFF	#000000	##FFFFFF
##4A37B8	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#004AB6

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4a37b8;
/* rgb */ color: rgb(74, 55, 184);
/* oklch */ color: oklch(44.4% 0.192 281.9);

Tailwind

colors: {
  custom: {
    50: '#8970ce',
    500: '#4a37b8',
    950: '#000000',
  },
}

SCSS

$custom: #4a37b8;
$custom-light: #8970ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4a37b8",
  "rgb": {
    "r": 74,
    "g": 55,
    "b": 184
  },
  "hsl": {
    "h": 248.837,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44359,
    "c": 0.19232,
    "h": 281.9
  },
  "luminance": 0.07649
}

Semantic roles & 50–950 ramp

primary

#4A37B8

secondary

#BDC784

accent

#DD4AC8

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0714

muted

#7E7A82

Preview Lab

Preview with #4A37B8

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

Preview Lab → · Contrast checker → · Palette generator →