#3D66BD#3D66BD

#3D66BD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.6% C 0.144 H 263.3°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3D66BD
RGB	rgb(61, 102, 189)
HSL	hsl(221, 51%, 49%)
HSV	hsv(221, 68%, 74%)
CMYK	cmyk(67.7%, 46%, 0%, 25.9%)
CIE-LAB	lab(44.47, 14.60, -50.07)
CIE-LCH	lch(44.47, 52.16, 286.26°)
OKLab	oklab(52.62% -0.0168 -0.1433)
OKLCH	oklch(52.62% 0.144 263.3)
XYZ	xyz(15.8579, 14.1674, 50.0331)
Luminance	0.1417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D66BD #BD943D

analogous

#3DA6BD #3D66BD #543DBD

triadic

#3D66BD #BD3D66 #66BD3D

tetradic

#3D66BD #BD3DA6 #BD943D #3DBD54

square

#3D66BD #BD3DA6 #BD943D #3DBD54

split-complementary

#3D66BD #BD543D #A6BD3D

monochromatic

#1F3460 #2E4D8F #3D66BD #6989CE #97AEDD

Accessibility & contrast

On white

5.48

#3D66BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3D66BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D66BD

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D66BD	#FFFFFF	#000000	##FFFFFF
##3D66BD	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6FC0

Deuteranopia (green-blind)

#2164BB

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3d66bd;
/* rgb */ color: rgb(61, 102, 189);
/* oklch */ color: oklch(52.6% 0.144 263.3);

Tailwind

colors: {
  custom: {
    50: '#8191d1',
    500: '#3d66bd',
    950: '#000000',
  },
}

SCSS

$custom: #3d66bd;
$custom-light: #8191d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d66bd",
  "rgb": {
    "r": 61,
    "g": 102,
    "b": 189
  },
  "hsl": {
    "h": 220.781,
    "s": 51.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52623,
    "c": 0.14427,
    "h": 263.3
  },
  "luminance": 0.14169
}

Semantic roles & 50–950 ramp

primary

#3D66BD

secondary

#C9B68D

accent

#AD4DDB

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D66BD

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

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