#3D37D1#3D37D1

#3D37D1 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.8% C 0.225 H 274.6°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3D37D1
RGB	rgb(61, 55, 209)
HSL	hsl(242, 63%, 52%)
HSV	hsv(242, 74%, 82%)
CMYK	cmyk(70.8%, 73.7%, 0%, 18%)
CIE-LAB	lab(34.65, 50.63, -77.66)
CIE-LCH	lch(34.65, 92.71, 303.10°)
OKLab	oklab(45.84% 0.018 -0.2246)
OKLCH	oklch(45.84% 0.225 274.6)
XYZ	xyz(14.7955, 8.3265, 61.1367)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.81

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D37D1 #CBD137

analogous

#377ED1 #3D37D1 #8A37D1

triadic

#3D37D1 #D13D37 #37D13D

tetradic

#3D37D1 #D1377E #CBD137 #37D18A

square

#3D37D1 #D1377E #CBD137 #37D18A

split-complementary

#3D37D1 #D18A37 #7ED137

monochromatic

#1E1A73 #2B26A5 #3D37D1 #6D69DC #9E9BE8

Accessibility & contrast

On white

7.88

#3D37D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3D37D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37D1

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37D1	#FFFFFF	#000000	##FFFFFF
##3D37D1	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D5

Deuteranopia (green-blind)

#004ACE

Tritanopia (blue-blind)

#006381

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3d37d1;
/* rgb */ color: rgb(61, 55, 209);
/* oklch */ color: oklch(45.8% 0.225 274.6);

Tailwind

colors: {
  custom: {
    50: '#8870e0',
    500: '#3d37d1',
    950: '#000000',
  },
}

SCSS

$custom: #3d37d1;
$custom-light: #8870e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37d1",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 209
  },
  "hsl": {
    "h": 242.338,
    "s": 62.602,
    "l": 51.765
  },
  "oklch": {
    "l": 0.45838,
    "c": 0.22532,
    "h": 274.6
  },
  "luminance": 0.08328
}

Semantic roles & 50–950 ramp

primary

#3D37D1

secondary

#D1D490

accent

#E642DF

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3D37D1

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

Preview Lab → · Contrast checker → · Palette generator →