#3963AE#3963AE

#3963AE is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.8% C 0.128 H 261.1°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3963AE
RGB	rgb(57, 99, 174)
HSL	hsl(218, 51%, 45%)
HSV	hsv(218, 67%, 68%)
CMYK	cmyk(67.2%, 43.1%, 0%, 31.8%)
CIE-LAB	lab(42.53, 10.41, -44.42)
CIE-LCH	lch(42.53, 45.63, 283.19°)
OKLab	oklab(50.79% -0.0199 -0.1268)
OKLCH	oklch(50.79% 0.128 261.1)
XYZ	xyz(13.7865, 12.8482, 41.7896)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3963AE #AE8439

analogous

#399DAE #3963AE #4A39AE

triadic

#3963AE #AE3963 #63AE39

tetradic

#3963AE #AE399D #AE8439 #39AE4A

square

#3963AE #AE399D #AE8439 #39AE4A

split-complementary

#3963AE #AE4A39 #9DAE39

monochromatic

#1B2F52 #2A4980 #3963AE #5B83C9 #89A6D8

Accessibility & contrast

On white

5.88

#3963AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3963AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3963AE

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3963AE	#FFFFFF	#000000	##FFFFFF
##3963AE	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406AB1

Deuteranopia (green-blind)

#2D5FAC

Tritanopia (blue-blind)

#007480

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3963ae;
/* rgb */ color: rgb(57, 99, 174);
/* oklch */ color: oklch(50.8% 0.128 261.1);

Tailwind

colors: {
  custom: {
    50: '#7c8ec6',
    500: '#3963ae',
    950: '#000000',
  },
}

SCSS

$custom: #3963ae;
$custom-light: #7c8ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3963ae",
  "rgb": {
    "r": 57,
    "g": 99,
    "b": 174
  },
  "hsl": {
    "h": 218.462,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50788,
    "c": 0.12837,
    "h": 261.1
  },
  "luminance": 0.1285
}

Semantic roles & 50–950 ramp

primary

#3963AE

secondary

#C3AB80

accent

#A84EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3963AE

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

Preview Lab → · Contrast checker → · Palette generator →