#3D64BC#3D64BC

#3D64BC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.145 H 264.1°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3D64BC
RGB	rgb(61, 100, 188)
HSL	hsl(222, 51%, 49%)
HSV	hsv(222, 68%, 74%)
CMYK	cmyk(67.6%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(43.85, 15.52, -50.49)
CIE-LCH	lch(43.85, 52.82, 287.08°)
OKLab	oklab(52.13% -0.0151 -0.1445)
OKLCH	oklch(52.13% 0.145 264.1)
XYZ	xyz(15.5556, 13.7358, 49.3987)
Luminance	0.1374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D64BC #BC953D

analogous

#3DA4BC #3D64BC #563DBC

triadic

#3D64BC #BC3D64 #64BC3D

tetradic

#3D64BC #BC3DA4 #BC953D #3DBC56

square

#3D64BC #BC3DA4 #BC953D #3DBC56

split-complementary

#3D64BC #BC563D #A4BC3D

monochromatic

#1F3360 #2E4B8E #3D64BC #6887CE #96ACDD

Accessibility & contrast

On white

5.60

#3D64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3D64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D64BC

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D64BC	#FFFFFF	#000000	##FFFFFF
##3D64BC	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376EBF

Deuteranopia (green-blind)

#1D62BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3d64bc;
/* rgb */ color: rgb(61, 100, 188);
/* oklch */ color: oklch(52.1% 0.145 264.1);

Tailwind

colors: {
  custom: {
    50: '#808fd1',
    500: '#3d64bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d64bc;
$custom-light: #808fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d64bc",
  "rgb": {
    "r": 61,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 221.575,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52127,
    "c": 0.14532,
    "h": 264.1
  },
  "luminance": 0.13737
}

Semantic roles & 50–950 ramp

primary

#3D64BC

secondary

#C9B68C

accent

#AF4DDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D64BC

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

Preview Lab → · Contrast checker → · Palette generator →