#3D64B8#3D64B8

#3D64B8 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.140 H 263.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3D64B8
RGB	rgb(61, 100, 184)
HSL	hsl(221, 50%, 48%)
HSV	hsv(221, 67%, 72%)
CMYK	cmyk(66.8%, 45.7%, 0%, 27.8%)
CIE-LAB	lab(43.60, 14.07, -48.56)
CIE-LCH	lch(43.60, 50.55, 286.16°)
OKLab	oklab(51.86% -0.0157 -0.1389)
OKLCH	oklch(51.86% 0.14 263.5)
XYZ	xyz(15.1303, 13.5657, 47.1592)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D64B8 #B8913D

analogous

#3DA1B8 #3D64B8 #543DB8

triadic

#3D64B8 #B83D64 #64B83D

tetradic

#3D64B8 #B83DA1 #B8913D #3DB854

square

#3D64B8 #B83DA1 #B8913D #3DB854

split-complementary

#3D64B8 #B8543D #A1B83D

monochromatic

#1F325C #2E4B8A #3D64B8 #6686CC #94ABDB

Accessibility & contrast

On white

5.66

#3D64B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3D64B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D64B8

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D64B8	#FFFFFF	#000000	##FFFFFF
##3D64B8	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6DBB

Deuteranopia (green-blind)

#2462B6

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3d64b8;
/* rgb */ color: rgb(61, 100, 184);
/* oklch */ color: oklch(51.9% 0.140 263.5);

Tailwind

colors: {
  custom: {
    50: '#808fce',
    500: '#3d64b8',
    950: '#000000',
  },
}

SCSS

$custom: #3d64b8;
$custom-light: #808fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3d64b8",
  "rgb": {
    "r": 61,
    "g": 100,
    "b": 184
  },
  "hsl": {
    "h": 220.976,
    "s": 50.204,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51857,
    "c": 0.13974,
    "h": 263.5
  },
  "luminance": 0.13567
}

Semantic roles & 50–950 ramp

primary

#3D64B8

secondary

#C7B48A

accent

#AD4EDA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3D64B8

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

Preview Lab → · Contrast checker → · Palette generator →