#3956AA#3956AA

#3956AA is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.139 H 266.8°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3956AA
RGB	rgb(57, 86, 170)
HSL	hsl(225, 50%, 45%)
HSV	hsv(225, 66%, 67%)
CMYK	cmyk(66.5%, 49.4%, 0%, 33.3%)
CIE-LAB	lab(38.60, 17.35, -48.37)
CIE-LCH	lch(38.60, 51.39, 289.74°)
OKLab	oklab(47.69% -0.0078 -0.1386)
OKLCH	oklch(47.69% 0.139 266.8)
XYZ	xyz(12.2683, 10.4266, 39.3884)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956AA #AA8D39

analogous

#398FAA #3956AA #5539AA

triadic

#3956AA #AA3956 #56AA39

tetradic

#3956AA #AA398F #AA8D39 #39AA55

square

#3956AA #AA398F #AA8D39 #39AA55

split-complementary

#3956AA #AA5539 #8FAA39

monochromatic

#1A284E #2A3F7C #3956AA #5975C7 #879BD7

Accessibility & contrast

On white

6.81

#3956AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3956AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956AA

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956AA	#FFFFFF	#000000	##FFFFFF
##3956AA	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2960AD

Deuteranopia (green-blind)

#0B56A8

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3956aa;
/* rgb */ color: rgb(57, 86, 170);
/* oklch */ color: oklch(47.7% 0.139 266.8);

Tailwind

colors: {
  custom: {
    50: '#7c85c4',
    500: '#3956aa',
    950: '#000000',
  },
}

SCSS

$custom: #3956aa;
$custom-light: #7c85c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3956aa",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 170
  },
  "hsl": {
    "h": 224.602,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47688,
    "c": 0.13883,
    "h": 266.8
  },
  "luminance": 0.10428
}

Semantic roles & 50–950 ramp

primary

#3956AA

secondary

#C1B07E

accent

#B64ED9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3956AA

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

Preview Lab → · Contrast checker → · Palette generator →