#3D37D0#3D37D0

#3D37D0 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.7% C 0.224 H 274.6°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#3D37D0
RGB	rgb(61, 55, 208)
HSL	hsl(242, 62%, 52%)
HSV	hsv(242, 74%, 82%)
CMYK	cmyk(70.7%, 73.6%, 0%, 18.4%)
CIE-LAB	lab(34.55, 50.32, -77.25)
CIE-LCH	lch(34.55, 92.19, 303.08°)
OKLab	oklab(45.74% 0.0182 -0.2234)
OKLCH	oklch(45.74% 0.224 274.6)
XYZ	xyz(14.6721, 8.2771, 60.4867)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.82

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D37D0 #CAD037

analogous

#377ED0 #3D37D0 #8A37D0

triadic

#3D37D0 #D03D37 #37D03D

tetradic

#3D37D0 #D0377E #CAD037 #37D08A

square

#3D37D0 #D0377E #CAD037 #37D08A

split-complementary

#3D37D0 #D08A37 #7ED037

monochromatic

#1E1B72 #2B26A3 #3D37D0 #6D69DC #9D9AE7

Accessibility & contrast

On white

7.91

#3D37D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3D37D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37D0

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D37D0	#FFFFFF	#000000	##FFFFFF
##3D37D0	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D4

Deuteranopia (green-blind)

#004ACD

Tritanopia (blue-blind)

#006381

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3d37d0;
/* rgb */ color: rgb(61, 55, 208);
/* oklch */ color: oklch(45.7% 0.224 274.6);

Tailwind

colors: {
  custom: {
    50: '#8870e0',
    500: '#3d37d0',
    950: '#000000',
  },
}

SCSS

$custom: #3d37d0;
$custom-light: #8870e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d37d0",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 208
  },
  "hsl": {
    "h": 242.353,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.45737,
    "c": 0.22413,
    "h": 274.6
  },
  "luminance": 0.08279
}

Semantic roles & 50–950 ramp

primary

#3D37D0

secondary

#D0D390

accent

#E543DF

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3D37D0

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

Preview Lab → · Contrast checker → · Palette generator →