#3E64BB#3E64BB

#3E64BB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.144 H 264.3°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3E64BB
RGB	rgb(62, 100, 187)
HSL	hsl(222, 50%, 49%)
HSV	hsv(222, 67%, 73%)
CMYK	cmyk(66.8%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.84, 15.32, -49.93)
CIE-LCH	lch(43.84, 52.23, 287.06°)
OKLab	oklab(52.11% -0.0143 -0.1429)
OKLCH	oklch(52.11% 0.144 264.3)
XYZ	xyz(15.5103, 13.7248, 48.8358)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E64BB #BB953E

analogous

#3EA3BB #3E64BB #573EBB

triadic

#3E64BB #BB3E64 #64BB3E

tetradic

#3E64BB #BB3EA3 #BB953E #3EBB57

square

#3E64BB #BB3EA3 #BB953E #3EBB57

split-complementary

#3E64BB #BB573E #A3BB3E

monochromatic

#20335F #2F4B8D #3E64BB #6987CD #97ACDC

Accessibility & contrast

On white

5.61

#3E64BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3E64BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E64BB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E64BB	#FFFFFF	#000000	##FFFFFF
##3E64BB	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBE

Deuteranopia (green-blind)

#2062B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3e64bb;
/* rgb */ color: rgb(62, 100, 187);
/* oklch */ color: oklch(52.1% 0.144 264.3);

Tailwind

colors: {
  custom: {
    50: '#818fd0',
    500: '#3e64bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e64bb;
$custom-light: #818fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e64bb",
  "rgb": {
    "r": 62,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 221.76,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52107,
    "c": 0.1436,
    "h": 264.3
  },
  "luminance": 0.13726
}

Semantic roles & 50–950 ramp

primary

#3E64BB

secondary

#C8B68D

accent

#AF4EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3E64BB

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

Preview Lab → · Contrast checker → · Palette generator →