#3C64BC#3C64BC

#3C64BC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.146 H 263.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3C64BC
RGB	rgb(60, 100, 188)
HSL	hsl(221, 52%, 49%)
HSV	hsv(221, 68%, 74%)
CMYK	cmyk(68.1%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(43.81, 15.36, -50.56)
CIE-LCH	lch(43.81, 52.84, 286.89°)
OKLab	oklab(52.08% -0.0159 -0.1448)
OKLCH	oklch(52.08% 0.146 263.7)
XYZ	xyz(15.4946, 13.7043, 49.3958)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C64BC #BC943C

analogous

#3CA4BC #3C64BC #543CBC

triadic

#3C64BC #BC3C64 #64BC3C

tetradic

#3C64BC #BC3CA4 #BC943C #3CBC54

square

#3C64BC #BC3CA4 #BC943C #3CBC54

split-complementary

#3C64BC #BC543C #A4BC3C

monochromatic

#1E335F #2D4B8E #3C64BC #6787CE #95ACDD

Accessibility & contrast

On white

5.61

#3C64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3C64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C64BC

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C64BC	#FFFFFF	#000000	##FFFFFF
##3C64BC	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376EBF

Deuteranopia (green-blind)

#1C62BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3c64bc;
/* rgb */ color: rgb(60, 100, 188);
/* oklch */ color: oklch(52.1% 0.146 263.7);

Tailwind

colors: {
  custom: {
    50: '#808fd1',
    500: '#3c64bc',
    950: '#000000',
  },
}

SCSS

$custom: #3c64bc;
$custom-light: #808fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c64bc",
  "rgb": {
    "r": 60,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 221.25,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52079,
    "c": 0.14565,
    "h": 263.7
  },
  "luminance": 0.13706
}

Semantic roles & 50–950 ramp

primary

#3C64BC

secondary

#C9B58B

accent

#AF4DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3C64BC

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

Preview Lab → · Contrast checker → · Palette generator →