#3956AB#3956AB

#3956AB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.8% C 0.140 H 266.9°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3956AB
RGB	rgb(57, 86, 171)
HSL	hsl(225, 50%, 45%)
HSV	hsv(225, 67%, 67%)
CMYK	cmyk(66.7%, 49.7%, 0%, 32.9%)
CIE-LAB	lab(38.66, 17.72, -48.86)
CIE-LCH	lch(38.66, 51.97, 289.93°)
OKLab	oklab(47.76% -0.0077 -0.14)
OKLCH	oklch(47.76% 0.14 266.9)
XYZ	xyz(12.3633, 10.4645, 39.8885)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956AB #AB8E39

analogous

#398FAB #3956AB #5539AB

triadic

#3956AB #AB3956 #56AB39

tetradic

#3956AB #AB398F #AB8E39 #39AB55

square

#3956AB #AB398F #AB8E39 #39AB55

split-complementary

#3956AB #AB5539 #8FAB39

monochromatic

#1A284F #2A3F7D #3956AB #5975C8 #879CD7

Accessibility & contrast

On white

6.79

#3956AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3956AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956AB

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956AB	#FFFFFF	#000000	##FFFFFF
##3956AB	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2861AE

Deuteranopia (green-blind)

#0856A9

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3956ab;
/* rgb */ color: rgb(57, 86, 171);
/* oklch */ color: oklch(47.8% 0.140 266.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3956ab",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 171
  },
  "hsl": {
    "h": 224.737,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4776,
    "c": 0.14025,
    "h": 266.9
  },
  "luminance": 0.10466
}

Semantic roles & 50–950 ramp

primary

#3956AB

secondary

#C1B07F

accent

#B64EDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3956AB

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

Preview Lab → · Contrast checker → · Palette generator →