#3961CE#3961CE

#3961CE is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.6% C 0.175 H 265.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3961CE
RGB	rgb(57, 97, 206)
HSL	hsl(224, 60%, 52%)
HSV	hsv(224, 72%, 81%)
CMYK	cmyk(72.3%, 52.9%, 0%, 19.2%)
CIE-LAB	lab(44.05, 23.42, -60.58)
CIE-LCH	lch(44.05, 64.94, 291.13°)
OKLab	oklab(52.61% -0.0137 -0.1743)
OKLCH	oklch(52.61% 0.175 265.5)
XYZ	xyz(17.0987, 13.8737, 60.1573)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961CE #CEA639

analogous

#39ABCE #3961CE #5C39CE

triadic

#3961CE #CE3961 #61CE39

tetradic

#3961CE #CE39AB #CEA639 #39CE5C

square

#3961CE #CE39AB #CEA639 #39CE5C

split-complementary

#3961CE #CE5C39 #ABCE39

monochromatic

#1C3371 #2849A2 #3961CE #6A88DA #9BAFE6

Accessibility & contrast

On white

5.56

#3961CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3961CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961CE

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961CE	#FFFFFF	#000000	##FFFFFF
##3961CE	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#116FD2

Deuteranopia (green-blind)

#0062CC

Tritanopia (blue-blind)

#007B8E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3961ce;
/* rgb */ color: rgb(57, 97, 206);
/* oklch */ color: oklch(52.6% 0.175 265.5);

Tailwind

colors: {
  custom: {
    50: '#828dde',
    500: '#3961ce',
    950: '#000000',
  },
}

SCSS

$custom: #3961ce;
$custom-light: #828dde;
$custom-dark: #000000;

JSON

{
  "hex": "#3961ce",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 206
  },
  "hsl": {
    "h": 223.893,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52612,
    "c": 0.17488,
    "h": 265.5
  },
  "luminance": 0.13875
}

Semantic roles & 50–950 ramp

primary

#3961CE

secondary

#D2C191

accent

#B944E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3961CE

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

Preview Lab → · Contrast checker → · Palette generator →