#3961AA#3961AA

#3961AA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.1% C 0.125 H 261.4°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3961AA
RGB	rgb(57, 97, 170)
HSL	hsl(219, 50%, 45%)
HSV	hsv(219, 66%, 67%)
CMYK	cmyk(66.5%, 42.9%, 0%, 33.3%)
CIE-LAB	lab(41.72, 10.23, -43.37)
CIE-LCH	lch(41.72, 44.56, 283.28°)
OKLab	oklab(50.08% -0.0187 -0.1237)
OKLCH	oklch(50.08% 0.125 261.4)
XYZ	xyz(13.2152, 12.3202, 39.7040)
Luminance	0.1232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3961AA #AA8239

analogous

#399AAA #3961AA #4939AA

triadic

#3961AA #AA3961 #61AA39

tetradic

#3961AA #AA399A #AA8239 #39AA49

square

#3961AA #AA399A #AA8239 #39AA49

split-complementary

#3961AA #AA4939 #9AAA39

monochromatic

#1A2D4E #2A477C #3961AA #5980C7 #87A3D7

Accessibility & contrast

On white

6.06

#3961AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3961AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3961AA

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3961AA	#FFFFFF	#000000	##FFFFFF
##3961AA	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F68AD

Deuteranopia (green-blind)

#2D5EA8

Tritanopia (blue-blind)

#00727D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3961aa;
/* rgb */ color: rgb(57, 97, 170);
/* oklch */ color: oklch(50.1% 0.125 261.4);

Tailwind

colors: {
  custom: {
    50: '#7b8dc4',
    500: '#3961aa',
    950: '#000000',
  },
}

SCSS

$custom: #3961aa;
$custom-light: #7b8dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3961aa",
  "rgb": {
    "r": 57,
    "g": 97,
    "b": 170
  },
  "hsl": {
    "h": 218.761,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50084,
    "c": 0.12514,
    "h": 261.4
  },
  "luminance": 0.12322
}

Semantic roles & 50–950 ramp

primary

#3961AA

secondary

#C1A97E

accent

#A84ED9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3961AA

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

Preview Lab → · Contrast checker → · Palette generator →