#3956B9#3956B9

#3956B9 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.160 H 267.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3956B9
RGB	rgb(57, 86, 185)
HSL	hsl(226, 53%, 47%)
HSV	hsv(226, 69%, 73%)
CMYK	cmyk(69.2%, 53.5%, 0%, 27.5%)
CIE-LAB	lab(39.63, 22.83, -55.56)
CIE-LCH	lch(39.63, 60.07, 292.34°)
OKLab	oklab(48.8% -0.0063 -0.1597)
OKLCH	oklch(48.8% 0.16 267.8)
XYZ	xyz(13.7691, 11.0269, 47.2923)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956B9 #B99C39

analogous

#3996B9 #3956B9 #5C39B9

triadic

#3956B9 #B93956 #56B939

tetradic

#3956B9 #B93996 #B99C39 #39B95C

square

#3956B9 #B93996 #B99C39 #39B95C

split-complementary

#3956B9 #B95C39 #96B939

monochromatic

#1C2B5B #2B408A #3956B9 #617ACE #90A1DD

Accessibility & contrast

On white

6.55

#3956B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3956B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956B9

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956B9	#FFFFFF	#000000	##FFFFFF
##3956B9	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F63BC

Deuteranopia (green-blind)

#0058B7

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3956b9;
/* rgb */ color: rgb(57, 86, 185);
/* oklch */ color: oklch(48.8% 0.160 267.8);

Tailwind

colors: {
  custom: {
    50: '#7f85cf',
    500: '#3956b9',
    950: '#000000',
  },
}

SCSS

$custom: #3956b9;
$custom-light: #7f85cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3956b9",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 185
  },
  "hsl": {
    "h": 226.406,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48796,
    "c": 0.15987,
    "h": 267.8
  },
  "luminance": 0.11028
}

Semantic roles & 50–950 ramp

primary

#3956B9

secondary

#C8B986

accent

#BB4BDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3956B9

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

Preview Lab → · Contrast checker → · Palette generator →