#3A37BD#3A37BD

#3A37BD is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.7% C 0.202 H 275.1°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#3A37BD
RGB	rgb(58, 55, 189)
HSL	hsl(241, 55%, 48%)
HSV	hsv(241, 71%, 74%)
CMYK	cmyk(69.3%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(32.49, 43.85, -69.55)
CIE-LCH	lch(32.49, 82.22, 302.23°)
OKLab	oklab(43.66% 0.0178 -0.201)
OKLCH	oklch(43.66% 0.202 275.1)
XYZ	xyz(12.2934, 7.3049, 48.8964)
Luminance	0.0731 (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

#3A37BD #BABD37

analogous

#3777BD #3A37BD #7D37BD

triadic

#3A37BD #BD3A37 #37BD3A

tetradic

#3A37BD #BD3777 #BABD37 #37BD7D

square

#3A37BD #BD3777 #BABD37 #37BD7D

split-complementary

#3A37BD #BD7D37 #77BD37

monochromatic

#1D1B5E #2B298E #3A37BD #6360D1 #9290DF

Accessibility & contrast

On white

8.53

#3A37BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3A37BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A37BD

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A37BD	#FFFFFF	#000000	##FFFFFF
##3A37BD	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C1

Deuteranopia (green-blind)

#0046BB

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3a37bd;
/* rgb */ color: rgb(58, 55, 189);
/* oklch */ color: oklch(43.7% 0.202 275.1);

Tailwind

colors: {
  custom: {
    50: '#826fd2',
    500: '#3a37bd',
    950: '#000000',
  },
}

SCSS

$custom: #3a37bd;
$custom-light: #826fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a37bd",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 241.343,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43656,
    "c": 0.2018,
    "h": 275.1
  },
  "luminance": 0.07306
}

Semantic roles & 50–950 ramp

primary

#3A37BD

secondary

#C8C986

accent

#DE4ADB

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3A37BD

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

Preview Lab → · Contrast checker → · Palette generator →