#3D37BE#3D37BE

#3D37BE is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.0% C 0.202 H 276.1°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3D37BE
RGB	rgb(61, 55, 190)
HSL	hsl(243, 55%, 48%)
HSV	hsv(243, 71%, 75%)
CMYK	cmyk(67.9%, 71.1%, 0%, 25.5%)
CIE-LAB	lab(32.79, 44.52, -69.64)
CIE-LCH	lch(32.79, 82.65, 302.59°)
OKLab	oklab(43.95% 0.0214 -0.2012)
OKLCH	oklch(43.95% 0.202 276.1)
XYZ	xyz(12.5819, 7.4411, 49.4784)
Luminance	0.0744 (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

#3D37BE #B8BE37

analogous

#3774BE #3D37BE #8137BE

triadic

#3D37BE #BE3D37 #37BE3D

tetradic

#3D37BE #BE3774 #B8BE37 #37BE81

square

#3D37BE #BE3774 #B8BE37 #37BE81

split-complementary

#3D37BE #BE8137 #74BE37

monochromatic

#1F1C5F #2E298F #3D37BE #6661D1 #9490DF

Accessibility & contrast

On white

8.44

#3D37BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3D37BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37BE

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37BE	#FFFFFF	#000000	##FFFFFF
##3D37BE	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	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: #3d37be;
/* rgb */ color: rgb(61, 55, 190);
/* oklch */ color: oklch(44.0% 0.202 276.1);

Tailwind

colors: {
  custom: {
    50: '#846fd3',
    500: '#3d37be',
    950: '#000000',
  },
}

SCSS

$custom: #3d37be;
$custom-light: #846fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37be",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 190
  },
  "hsl": {
    "h": 242.667,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43952,
    "c": 0.20233,
    "h": 276.1
  },
  "luminance": 0.07442
}

Semantic roles & 50–950 ramp

primary

#3D37BE

secondary

#C7CA87

accent

#DE49D8

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3D37BE

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

Preview Lab → · Contrast checker → · Palette generator →