#3D66DA#3D66DA

#3D66DA is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.7% C 0.184 H 265.8°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3D66DA
RGB	rgb(61, 102, 218)
HSL	hsl(224, 68%, 55%)
HSV	hsv(224, 72%, 85%)
CMYK	cmyk(72%, 53.2%, 0%, 14.5%)
CIE-LAB	lab(46.38, 25.12, -63.64)
CIE-LCH	lch(46.38, 68.42, 291.54°)
OKLab	oklab(54.69% -0.0133 -0.1832)
OKLCH	oklch(54.69% 0.184 265.8)
XYZ	xyz(19.3263, 15.5548, 68.2999)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D66DA #DAB13D

analogous

#3DB5DA #3D66DA #633DDA

triadic

#3D66DA #DA3D66 #66DA3D

tetradic

#3D66DA #DA3DB5 #DAB13D #3DDA63

square

#3D66DA #DA3DB5 #DAB13D #3DDA63

split-complementary

#3D66DA #DA633D #B5DA3D

monochromatic

#193584 #234AB7 #3D66DA #708FE4 #A4B7EE

Accessibility & contrast

On white

5.11

#3D66DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3D66DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D66DA

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D66DA	#FFFFFF	#000000	##FFFFFF
##3D66DA	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B75DE

Deuteranopia (green-blind)

#0067D8

Tritanopia (blue-blind)

#008296

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3d66da;
/* rgb */ color: rgb(61, 102, 218);
/* oklch */ color: oklch(54.7% 0.184 265.8);

Tailwind

colors: {
  custom: {
    50: '#8691e6',
    500: '#3d66da',
    950: '#000000',
  },
}

SCSS

$custom: #3d66da;
$custom-light: #8691e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d66da",
  "rgb": {
    "r": 61,
    "g": 102,
    "b": 218
  },
  "hsl": {
    "h": 224.331,
    "s": 67.965,
    "l": 54.706
  },
  "oklch": {
    "l": 0.54691,
    "c": 0.1837,
    "h": 265.8
  },
  "luminance": 0.15557
}

Semantic roles & 50–950 ramp

primary

#3D66DA

secondary

#DBC998

accent

#BD3DEB

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3D66DA

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

Preview Lab → · Contrast checker → · Palette generator →