#3961BE#3961BE

#3961BE is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.4% C 0.153 H 264.2°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3961BE
RGB	rgb(57, 97, 190)
HSL	hsl(222, 54%, 48%)
HSV	hsv(222, 70%, 75%)
CMYK	cmyk(70%, 48.9%, 0%, 25.5%)
CIE-LAB	lab(42.97, 17.55, -53.08)
CIE-LCH	lch(42.97, 55.91, 288.29°)
OKLab	oklab(51.44% -0.0154 -0.1523)
OKLCH	oklch(51.44% 0.153 264.2)
XYZ	xyz(15.2530, 13.1354, 50.4367)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961BE #BE9639

analogous

#39A3BE #3961BE #5339BE

triadic

#3961BE #BE3961 #61BE39

tetradic

#3961BE #BE39A3 #BE9639 #39BE53

square

#3961BE #BE39A3 #BE9639 #39BE53

split-complementary

#3961BE #BE5339 #A3BE39

monochromatic

#1D3160 #2B498F #3961BE #6484D0 #93AADF

Accessibility & contrast

On white

5.79

#3961BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3961BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961BE

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961BE	#FFFFFF	#000000	##FFFFFF
##3961BE	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6CC1

Deuteranopia (green-blind)

#0260BC

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3961be;
/* rgb */ color: rgb(57, 97, 190);
/* oklch */ color: oklch(51.4% 0.153 264.2);

Tailwind

colors: {
  custom: {
    50: '#7f8dd2',
    500: '#3961be',
    950: '#000000',
  },
}

SCSS

$custom: #3961be;
$custom-light: #7f8dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3961be",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 190
  },
  "hsl": {
    "h": 221.955,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51442,
    "c": 0.15307,
    "h": 264.2
  },
  "luminance": 0.13137
}

Semantic roles & 50–950 ramp

primary

#3961BE

secondary

#CAB689

accent

#B14BDD

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3961BE

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

Preview Lab → · Contrast checker → · Palette generator →