#3B37BE#3B37BE

#3B37BE is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.8% C 0.203 H 275.3°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3B37BE
RGB	rgb(59, 55, 190)
HSL	hsl(242, 55%, 48%)
HSV	hsv(242, 71%, 75%)
CMYK	cmyk(68.9%, 71.1%, 0%, 25.5%)
CIE-LAB	lab(32.65, 44.29, -69.87)
CIE-LCH	lch(32.65, 82.72, 302.37°)
OKLab	oklab(43.82% 0.0189 -0.2019)
OKLCH	oklch(43.82% 0.203 275.3)
XYZ	xyz(12.4610, 7.3787, 49.4728)
Luminance	0.0738 (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

#3B37BE #BABE37

analogous

#3776BE #3B37BE #7E37BE

triadic

#3B37BE #BE3B37 #37BE3B

tetradic

#3B37BE #BE3776 #BABE37 #37BE7E

square

#3B37BE #BE3776 #BABE37 #37BE7E

split-complementary

#3B37BE #BE7E37 #76BE37

monochromatic

#1E1C5F #2C298F #3B37BE #6461D1 #9390DF

Accessibility & contrast

On white

8.48

#3B37BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3B37BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B37BE

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B37BE	#FFFFFF	#000000	##FFFFFF
##3B37BE	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C2

Deuteranopia (green-blind)

#0047BC

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b37be;
/* rgb */ color: rgb(59, 55, 190);
/* oklch */ color: oklch(43.8% 0.203 275.3);

Tailwind

colors: {
  custom: {
    50: '#836fd3',
    500: '#3b37be',
    950: '#000000',
  },
}

SCSS

$custom: #3b37be;
$custom-light: #836fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b37be",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 190
  },
  "hsl": {
    "h": 241.778,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43819,
    "c": 0.2028,
    "h": 275.3
  },
  "luminance": 0.0738
}

Semantic roles & 50–950 ramp

primary

#3B37BE

secondary

#C8CA87

accent

#DE49DA

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3B37BE

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

Preview Lab → · Contrast checker → · Palette generator →