#3E64BC#3E64BC

#3E64BC is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.145 H 264.4°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3E64BC
RGB	rgb(62, 100, 188)
HSL	hsl(222, 50%, 49%)
HSV	hsv(222, 67%, 74%)
CMYK	cmyk(67%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(43.90, 15.68, -50.41)
CIE-LCH	lch(43.90, 52.79, 287.28°)
OKLab	oklab(52.18% -0.0142 -0.1443)
OKLCH	oklch(52.18% 0.145 264.4)
XYZ	xyz(15.6177, 13.7678, 49.4016)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E64BC #BC963E

analogous

#3EA3BC #3E64BC #573EBC

triadic

#3E64BC #BC3E64 #64BC3E

tetradic

#3E64BC #BC3EA3 #BC963E #3EBC57

square

#3E64BC #BC3EA3 #BC963E #3EBC57

split-complementary

#3E64BC #BC573E #A3BC3E

monochromatic

#203360 #2F4C8E #3E64BC #6A88CE #98ACDD

Accessibility & contrast

On white

5.59

#3E64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3E64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E64BC

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E64BC	#FFFFFF	#000000	##FFFFFF
##3E64BC	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376EBF

Deuteranopia (green-blind)

#1E62BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3e64bc;
/* rgb */ color: rgb(62, 100, 188);
/* oklch */ color: oklch(52.2% 0.145 264.4);

Tailwind

colors: {
  custom: {
    50: '#818fd1',
    500: '#3e64bc',
    950: '#000000',
  },
}

SCSS

$custom: #3e64bc;
$custom-light: #818fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e64bc",
  "rgb": {
    "r": 62,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 221.905,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52175,
    "c": 0.14499,
    "h": 264.4
  },
  "luminance": 0.13769
}

Semantic roles & 50–950 ramp

primary

#3E64BC

secondary

#C9B78D

accent

#B04EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3E64BC

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

Preview Lab → · Contrast checker → · Palette generator →