#3B64CF#3B64CF

#3B64CF is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.4% C 0.172 H 265.2°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3B64CF
RGB	rgb(59, 100, 207)
HSL	hsl(223, 61%, 52%)
HSV	hsv(223, 71%, 81%)
CMYK	cmyk(71.5%, 51.7%, 0%, 18.8%)
CIE-LAB	lab(45.01, 22.13, -59.60)
CIE-LCH	lch(45.01, 63.57, 290.37°)
OKLab	oklab(53.38% -0.0144 -0.1714)
OKLCH	oklch(53.38% 0.172 265.2)
XYZ	xyz(17.6193, 14.5473, 60.8987)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B64CF #CFA63B

analogous

#3BAECF #3B64CF #5C3BCF

triadic

#3B64CF #CF3B64 #64CF3B

tetradic

#3B64CF #CF3BAE #CFA63B #3BCF5C

square

#3B64CF #CF3BAE #CFA63B #3BCF5C

split-complementary

#3B64CF #CF5C3B #AECF3B

monochromatic

#1C3473 #284BA5 #3B64CF #6C8BDB #9DB2E7

Accessibility & contrast

On white

5.37

#3B64CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3B64CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B64CF

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B64CF	#FFFFFF	#000000	##FFFFFF
##3B64CF	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E72D3

Deuteranopia (green-blind)

#0064CD

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3b64cf;
/* rgb */ color: rgb(59, 100, 207);
/* oklch */ color: oklch(53.4% 0.172 265.2);

Tailwind

colors: {
  custom: {
    50: '#838fde',
    500: '#3b64cf',
    950: '#000000',
  },
}

SCSS

$custom: #3b64cf;
$custom-light: #838fde;
$custom-dark: #000000;

JSON

{
  "hex": "#3b64cf",
  "rgb": {
    "r": 59,
    "g": 100,
    "b": 207
  },
  "hsl": {
    "h": 223.378,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53382,
    "c": 0.17198,
    "h": 265.2
  },
  "luminance": 0.14549
}

Semantic roles & 50–950 ramp

primary

#3B64CF

secondary

#D3C193

accent

#B844E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3B64CF

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

Preview Lab → · Contrast checker → · Palette generator →