#3D37BD#3D37BD

#3D37BD is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.9% C 0.201 H 276.1°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#3D37BD
RGB	rgb(61, 55, 189)
HSL	hsl(243, 55%, 48%)
HSV	hsv(243, 71%, 74%)
CMYK	cmyk(67.7%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(32.70, 44.19, -69.21)
CIE-LCH	lch(32.70, 82.11, 302.56°)
OKLab	oklab(43.86% 0.0215 -0.1999)
OKLCH	oklch(43.86% 0.201 276.1)
XYZ	xyz(12.4730, 7.3975, 48.9048)
Luminance	0.0740 (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

#3D37BD #B7BD37

analogous

#3774BD #3D37BD #8037BD

triadic

#3D37BD #BD3D37 #37BD3D

tetradic

#3D37BD #BD3774 #B7BD37 #37BD80

square

#3D37BD #BD3774 #B7BD37 #37BD80

split-complementary

#3D37BD #BD8037 #74BD37

monochromatic

#1E1B5E #2E298E #3D37BD #6560D1 #9390DF

Accessibility & contrast

On white

8.47

#3D37BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3D37BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37BD

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37BD	#FFFFFF	#000000	##FFFFFF
##3D37BD	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C1

Deuteranopia (green-blind)

#0047BB

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d37bd;
/* rgb */ color: rgb(61, 55, 189);
/* oklch */ color: oklch(43.9% 0.201 276.1);

Tailwind

colors: {
  custom: {
    50: '#846fd2',
    500: '#3d37bd',
    950: '#000000',
  },
}

SCSS

$custom: #3d37bd;
$custom-light: #846fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37bd",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 242.687,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43855,
    "c": 0.20108,
    "h": 276.1
  },
  "luminance": 0.07399
}

Semantic roles & 50–950 ramp

primary

#3D37BD

secondary

#C6C986

accent

#DE4AD8

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3D37BD

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

Preview Lab → · Contrast checker → · Palette generator →