#3B37C5#3B37C5

#3B37C5 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.211 H 274.8°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#3B37C5
RGB	rgb(59, 55, 197)
HSL	hsl(242, 56%, 49%)
HSV	hsv(242, 72%, 77%)
CMYK	cmyk(70.1%, 72.1%, 0%, 22.7%)
CIE-LAB	lab(33.33, 46.58, -72.86)
CIE-LCH	lch(33.33, 86.48, 302.59°)
OKLab	oklab(44.51% 0.0177 -0.2106)
OKLCH	oklch(44.51% 0.211 274.8)
XYZ	xyz(13.2445, 7.6921, 53.5992)
Luminance	0.0769 (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

#3B37C5 #C1C537

analogous

#377AC5 #3B37C5 #8237C5

triadic

#3B37C5 #C53B37 #37C53B

tetradic

#3B37C5 #C5377A #C1C537 #37C582

square

#3B37C5 #C5377A #C1C537 #37C582

split-complementary

#3B37C5 #C58237 #7AC537

monochromatic

#1E1C65 #2D2A95 #3B37C5 #6865D4 #9795E1

Accessibility & contrast

On white

8.27

#3B37C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3B37C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B37C5

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B37C5	#FFFFFF	#000000	##FFFFFF
##3B37C5	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C9

Deuteranopia (green-blind)

#0048C2

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3b37c5;
/* rgb */ color: rgb(59, 55, 197);
/* oklch */ color: oklch(44.5% 0.211 274.8);

Tailwind

colors: {
  custom: {
    50: '#846fd8',
    500: '#3b37c5',
    950: '#000000',
  },
}

SCSS

$custom: #3b37c5;
$custom-light: #846fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b37c5",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 197
  },
  "hsl": {
    "h": 241.69,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44509,
    "c": 0.21138,
    "h": 274.8
  },
  "luminance": 0.07693
}

Semantic roles & 50–950 ramp

primary

#3B37C5

secondary

#CBCD8B

accent

#E048DB

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3B37C5

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

Preview Lab → · Contrast checker → · Palette generator →