#3D66C2#3D66C2

#3D66C2 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.0% C 0.151 H 263.9°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3D66C2
RGB	rgb(61, 102, 194)
HSL	hsl(222, 52%, 50%)
HSV	hsv(222, 69%, 76%)
CMYK	cmyk(68.6%, 47.4%, 0%, 23.9%)
CIE-LAB	lab(44.78, 16.41, -52.47)
CIE-LCH	lch(44.78, 54.97, 287.37°)
OKLab	oklab(52.96% -0.016 -0.1503)
OKLCH	oklch(52.96% 0.151 263.9)
XYZ	xyz(16.4100, 14.3882, 52.9409)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D66C2 #C2993D

analogous

#3DA8C2 #3D66C2 #573DC2

triadic

#3D66C2 #C23D66 #66C23D

tetradic

#3D66C2 #C23DA8 #C2993D #3DC257

square

#3D66C2 #C23DA8 #C2993D #3DC257

split-complementary

#3D66C2 #C2573D #A8C23D

monochromatic

#203565 #2E4E93 #3D66C2 #6C8BD1 #9AAFDF

Accessibility & contrast

On white

5.42

#3D66C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3D66C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D66C2

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D66C2	#FFFFFF	#000000	##FFFFFF
##3D66C2	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3670C5

Deuteranopia (green-blind)

#1764C0

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3d66c2;
/* rgb */ color: rgb(61, 102, 194);
/* oklch */ color: oklch(53.0% 0.151 263.9);

Tailwind

colors: {
  custom: {
    50: '#8191d5',
    500: '#3d66c2',
    950: '#000000',
  },
}

SCSS

$custom: #3d66c2;
$custom-light: #8191d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d66c2",
  "rgb": {
    "r": 61,
    "g": 102,
    "b": 194
  },
  "hsl": {
    "h": 221.504,
    "s": 52.157,
    "l": 50
  },
  "oklch": {
    "l": 0.52963,
    "c": 0.15118,
    "h": 263.9
  },
  "luminance": 0.1439
}

Semantic roles & 50–950 ramp

primary

#3D66C2

secondary

#CBB990

accent

#AF4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3D66C2

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

Preview Lab → · Contrast checker → · Palette generator →