#3D64B4#3D64B4

#3D64B4 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.6% C 0.134 H 263.0°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#3D64B4
RGB	rgb(61, 100, 180)
HSL	hsl(220, 49%, 47%)
HSV	hsv(220, 66%, 71%)
CMYK	cmyk(66.1%, 44.4%, 0%, 29.4%)
CIE-LAB	lab(43.36, 12.63, -46.61)
CIE-LCH	lch(43.36, 48.29, 285.16°)
OKLab	oklab(51.59% -0.0164 -0.1331)
OKLCH	oklch(51.59% 0.134 263)
XYZ	xyz(14.7170, 13.4003, 44.9821)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D64B4 #B48D3D

analogous

#3DA0B4 #3D64B4 #513DB4

triadic

#3D64B4 #B43D64 #64B43D

tetradic

#3D64B4 #B43DA0 #B48D3D #3DB451

square

#3D64B4 #B43DA0 #B48D3D #3DB451

split-complementary

#3D64B4 #B4513D #A0B43D

monochromatic

#1E3159 #2E4B86 #3D64B4 #6485CA #92A9DA

Accessibility & contrast

On white

5.71

#3D64B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#3D64B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D64B4

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D64B4	#FFFFFF	#000000	##FFFFFF
##3D64B4	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6CB7

Deuteranopia (green-blind)

#2A61B2

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3d64b4;
/* rgb */ color: rgb(61, 100, 180);
/* oklch */ color: oklch(51.6% 0.134 263.0);

Tailwind

colors: {
  custom: {
    50: '#7f8fcb',
    500: '#3d64b4',
    950: '#000000',
  },
}

SCSS

$custom: #3d64b4;
$custom-light: #7f8fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d64b4",
  "rgb": {
    "r": 61,
    "g": 100,
    "b": 180
  },
  "hsl": {
    "h": 220.336,
    "s": 49.378,
    "l": 47.255
  },
  "oklch": {
    "l": 0.51591,
    "c": 0.13415,
    "h": 263
  },
  "luminance": 0.13402
}

Semantic roles & 50–950 ramp

primary

#3D64B4

secondary

#C5B188

accent

#AC4FD9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3D64B4

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

Preview Lab → · Contrast checker → · Palette generator →