#3B37C4#3B37C4

#3B37C4 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.4% C 0.210 H 274.9°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#3B37C4
RGB	rgb(59, 55, 196)
HSL	hsl(242, 56%, 49%)
HSV	hsv(242, 72%, 77%)
CMYK	cmyk(69.9%, 71.9%, 0%, 23.1%)
CIE-LAB	lab(33.24, 46.25, -72.44)
CIE-LCH	lch(33.24, 85.94, 302.56°)
OKLab	oklab(44.41% 0.0179 -0.2094)
OKLCH	oklch(44.41% 0.21 274.9)
XYZ	xyz(13.1303, 7.6465, 52.9978)
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

#3B37C4 #C0C437

analogous

#377AC4 #3B37C4 #8237C4

triadic

#3B37C4 #C43B37 #37C43B

tetradic

#3B37C4 #C4377A #C0C437 #37C482

square

#3B37C4 #C4377A #C0C437 #37C482

split-complementary

#3B37C4 #C48237 #7AC437

monochromatic

#1E1C64 #2D2A94 #3B37C4 #6865D4 #9794E1

Accessibility & contrast

On white

8.30

#3B37C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3B37C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B37C4

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B37C4	#FFFFFF	#000000	##FFFFFF
##3B37C4	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)

#0055C8

Deuteranopia (green-blind)

#0048C1

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3b37c4;
/* rgb */ color: rgb(59, 55, 196);
/* oklch */ color: oklch(44.4% 0.210 274.9);

Tailwind

colors: {
  custom: {
    50: '#846fd7',
    500: '#3b37c4',
    950: '#000000',
  },
}

SCSS

$custom: #3b37c4;
$custom-light: #846fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b37c4",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 196
  },
  "hsl": {
    "h": 241.702,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.4441,
    "c": 0.21017,
    "h": 274.9
  },
  "luminance": 0.07648
}

Semantic roles & 50–950 ramp

primary

#3B37C4

secondary

#CACC8B

accent

#DF48DB

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3B37C4

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

Preview Lab → · Contrast checker → · Palette generator →