#3D66E1#3D66E1

#3D66E1 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.193 H 266.2°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3D66E1
RGB	rgb(61, 102, 225)
HSL	hsl(225, 73%, 56%)
HSV	hsv(225, 73%, 88%)
CMYK	cmyk(72.9%, 54.7%, 0%, 11.8%)
CIE-LAB	lab(46.88, 27.65, -66.81)
CIE-LCH	lch(46.88, 72.31, 292.48°)
OKLab	oklab(55.22% -0.0128 -0.1925)
OKLCH	oklch(55.22% 0.193 266.2)
XYZ	xyz(20.2617, 15.9289, 73.2263)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D66E1 #E1B83D

analogous

#3DB8E1 #3D66E1 #663DE1

triadic

#3D66E1 #E13D66 #66E13D

tetradic

#3D66E1 #E13DB8 #E1B83D #3DE166

square

#3D66E1 #E13DB8 #E1B83D #3DE166

split-complementary

#3D66E1 #E1663D #B8E13D

monochromatic

#16348E #1E47C3 #3D66E1 #7290E9 #A7BAF1

Accessibility & contrast

On white

5.02

#3D66E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3D66E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D66E1

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D66E1	#FFFFFF	#000000	##FFFFFF
##3D66E1	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E5

Deuteranopia (green-blind)

#0068DF

Tritanopia (blue-blind)

#00849A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3d66e1;
/* rgb */ color: rgb(61, 102, 225);
/* oklch */ color: oklch(55.2% 0.193 266.2);

Tailwind

colors: {
  custom: {
    50: '#8891eb',
    500: '#3d66e1',
    950: '#000000',
  },
}

SCSS

$custom: #3d66e1;
$custom-light: #8891eb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d66e1",
  "rgb": {
    "r": 61,
    "g": 102,
    "b": 225
  },
  "hsl": {
    "h": 225,
    "s": 73.214,
    "l": 56.078
  },
  "oklch": {
    "l": 0.55222,
    "c": 0.19296,
    "h": 266.2
  },
  "luminance": 0.15931
}

Semantic roles & 50–950 ramp

primary

#3D66E1

secondary

#DFCE9B

accent

#C238F0

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3D66E1

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

Preview Lab → · Contrast checker → · Palette generator →