#3D64B5#3D64B5

#3D64B5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.7% C 0.136 H 263.1°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3D64B5
RGB	rgb(61, 100, 181)
HSL	hsl(221, 50%, 47%)
HSV	hsv(221, 66%, 71%)
CMYK	cmyk(66.3%, 44.8%, 0%, 29%)
CIE-LAB	lab(43.42, 12.99, -47.10)
CIE-LCH	lch(43.42, 48.86, 285.42°)
OKLab	oklab(51.66% -0.0162 -0.1346)
OKLCH	oklch(51.66% 0.136 263.1)
XYZ	xyz(14.8192, 13.4412, 45.5205)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D64B5 #B58E3D

analogous

#3DA0B5 #3D64B5 #523DB5

triadic

#3D64B5 #B53D64 #64B53D

tetradic

#3D64B5 #B53DA0 #B58E3D #3DB552

square

#3D64B5 #B53DA0 #B58E3D #3DB552

split-complementary

#3D64B5 #B5523D #A0B53D

monochromatic

#1E3159 #2E4B87 #3D64B5 #6486CB #92AADA

Accessibility & contrast

On white

5.69

#3D64B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3D64B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D64B5

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D64B5	#FFFFFF	#000000	##FFFFFF
##3D64B5	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6CB8

Deuteranopia (green-blind)

#2861B3

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3d64b5;
/* rgb */ color: rgb(61, 100, 181);
/* oklch */ color: oklch(51.7% 0.136 263.1);

Tailwind

colors: {
  custom: {
    50: '#7f8fcc',
    500: '#3d64b5',
    950: '#000000',
  },
}

SCSS

$custom: #3d64b5;
$custom-light: #7f8fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d64b5",
  "rgb": {
    "r": 61,
    "g": 100,
    "b": 181
  },
  "hsl": {
    "h": 220.5,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.51657,
    "c": 0.13554,
    "h": 263.1
  },
  "luminance": 0.13443
}

Semantic roles & 50–950 ramp

primary

#3D64B5

secondary

#C5B288

accent

#AC4FD9

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3D64B5

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

Preview Lab → · Contrast checker → · Palette generator →