#3B37CD#3B37CD

#3B37CD is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.3% C 0.221 H 274.2°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3B37CD
RGB	rgb(59, 55, 205)
HSL	hsl(242, 60%, 51%)
HSV	hsv(242, 73%, 80%)
CMYK	cmyk(71.2%, 73.2%, 0%, 19.6%)
CIE-LAB	lab(34.13, 49.16, -76.22)
CIE-LCH	lch(34.13, 90.70, 302.82°)
OKLab	oklab(45.31% 0.0163 -0.2204)
OKLCH	oklch(45.31% 0.221 274.2)
XYZ	xyz(14.1856, 8.0686, 58.5556)
Luminance	0.0807 (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

#3B37CD #C9CD37

analogous

#377ECD #3B37CD #8637CD

triadic

#3B37CD #CD3B37 #37CD3B

tetradic

#3B37CD #CD377E #C9CD37 #37CD86

square

#3B37CD #CD377E #C9CD37 #37CD86

split-complementary

#3B37CD #CD8637 #7ECD37

monochromatic

#1E1C6E #2B289F #3B37CD #6B68D9 #9B99E5

Accessibility & contrast

On white

8.03

#3B37CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3B37CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B37CD

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B37CD	#FFFFFF	#000000	##FFFFFF
##3B37CD	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D1

Deuteranopia (green-blind)

#0049CA

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b37cd;
/* rgb */ color: rgb(59, 55, 205);
/* oklch */ color: oklch(45.3% 0.221 274.2);

Tailwind

colors: {
  custom: {
    50: '#8670de',
    500: '#3b37cd',
    950: '#000000',
  },
}

SCSS

$custom: #3b37cd;
$custom-light: #8670de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b37cd",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 205
  },
  "hsl": {
    "h": 241.6,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.4531,
    "c": 0.22104,
    "h": 274.2
  },
  "luminance": 0.0807
}

Semantic roles & 50–950 ramp

primary

#3B37CD

secondary

#CFD18F

accent

#E345DF

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3B37CD

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

Preview Lab → · Contrast checker → · Palette generator →