#3D64BB#3D64BB

#3D64BB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.144 H 263.9°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3D64BB
RGB	rgb(61, 100, 187)
HSL	hsl(221, 51%, 49%)
HSV	hsv(221, 67%, 73%)
CMYK	cmyk(67.4%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.79, 15.15, -50.01)
CIE-LCH	lch(43.79, 52.25, 286.86°)
OKLab	oklab(52.06% -0.0152 -0.1431)
OKLCH	oklch(52.06% 0.144 263.9)
XYZ	xyz(15.4481, 13.6928, 48.8329)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D64BB #BB943D

analogous

#3DA3BB #3D64BB #553DBB

triadic

#3D64BB #BB3D64 #64BB3D

tetradic

#3D64BB #BB3DA3 #BB943D #3DBB55

square

#3D64BB #BB3DA3 #BB943D #3DBB55

split-complementary

#3D64BB #BB553D #A3BB3D

monochromatic

#1F335F #2E4B8D #3D64BB #6887CE #96ACDD

Accessibility & contrast

On white

5.62

#3D64BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3D64BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D64BB

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D64BB	#FFFFFF	#000000	##FFFFFF
##3D64BB	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBE

Deuteranopia (green-blind)

#1F62B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3d64bb;
/* rgb */ color: rgb(61, 100, 187);
/* oklch */ color: oklch(52.1% 0.144 263.9);

Tailwind

colors: {
  custom: {
    50: '#808fd0',
    500: '#3d64bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d64bb;
$custom-light: #808fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d64bb",
  "rgb": {
    "r": 61,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 221.429,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52059,
    "c": 0.14393,
    "h": 263.9
  },
  "luminance": 0.13694
}

Semantic roles & 50–950 ramp

primary

#3D64BB

secondary

#C8B58C

accent

#AF4EDA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D64BB

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

Preview Lab → · Contrast checker → · Palette generator →