#3961D0#3961D0

#3961D0 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.8% C 0.178 H 265.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3961D0
RGB	rgb(57, 97, 208)
HSL	hsl(224, 62%, 52%)
HSV	hsv(224, 73%, 82%)
CMYK	cmyk(72.6%, 53.4%, 0%, 18.4%)
CIE-LAB	lab(44.19, 24.15, -61.49)
CIE-LCH	lch(44.19, 66.07, 291.44°)
OKLab	oklab(52.76% -0.0135 -0.1771)
OKLCH	oklch(52.76% 0.178 265.6)
XYZ	xyz(17.3432, 13.9715, 61.4450)
Luminance	0.1397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961D0 #D0A839

analogous

#39ADD0 #3961D0 #5D39D0

triadic

#3961D0 #D03961 #61D039

tetradic

#3961D0 #D039AD #D0A839 #39D05D

square

#3961D0 #D039AD #D0A839 #39D05D

split-complementary

#3961D0 #D05D39 #ADD039

monochromatic

#1B3373 #2748A5 #3961D0 #6A88DC #9CB0E7

Accessibility & contrast

On white

5.53

#3961D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#3961D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961D0

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961D0	#FFFFFF	#000000	##FFFFFF
##3961D0	1.00	5.53	3.79	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0970D4

Deuteranopia (green-blind)

#0062CE

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3961d0;
/* rgb */ color: rgb(57, 97, 208);
/* oklch */ color: oklch(52.8% 0.178 265.6);

Tailwind

colors: {
  custom: {
    50: '#838ddf',
    500: '#3961d0',
    950: '#000000',
  },
}

SCSS

$custom: #3961d0;
$custom-light: #838ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#3961d0",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 208
  },
  "hsl": {
    "h": 224.106,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52763,
    "c": 0.17756,
    "h": 265.6
  },
  "luminance": 0.13973
}

Semantic roles & 50–950 ramp

primary

#3961D0

secondary

#D3C291

accent

#BA43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3961D0

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

Preview Lab → · Contrast checker → · Palette generator →