#3956BB#3956BB

#3956BB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.9% C 0.163 H 267.8°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#3956BB
RGB	rgb(57, 86, 187)
HSL	hsl(227, 53%, 48%)
HSV	hsv(227, 70%, 73%)
CMYK	cmyk(69.5%, 54%, 0%, 26.7%)
CIE-LAB	lab(39.77, 23.56, -56.50)
CIE-LCH	lch(39.77, 61.21, 292.64°)
OKLab	oklab(48.95% -0.0061 -0.1625)
OKLCH	oklch(48.95% 0.163 267.8)
XYZ	xyz(13.9817, 11.1119, 48.4120)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956BB #BB9E39

analogous

#3997BB #3956BB #5D39BB

triadic

#3956BB #BB3956 #56BB39

tetradic

#3956BB #BB3997 #BB9E39 #39BB5D

square

#3956BB #BB3997 #BB9E39 #39BB5D

split-complementary

#3956BB #BB5D39 #97BB39

monochromatic

#1C2B5D #2B408C #3956BB #627ACF #91A2DD

Accessibility & contrast

On white

6.52

#3956BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3956BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956BB

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956BB	#FFFFFF	#000000	##FFFFFF
##3956BB	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0864BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3956bb;
/* rgb */ color: rgb(57, 86, 187);
/* oklch */ color: oklch(48.9% 0.163 267.8);

Tailwind

colors: {
  custom: {
    50: '#7f85d0',
    500: '#3956bb',
    950: '#000000',
  },
}

SCSS

$custom: #3956bb;
$custom-light: #7f85d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3956bb",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 226.615,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48949,
    "c": 0.16263,
    "h": 267.8
  },
  "luminance": 0.11113
}

Semantic roles & 50–950 ramp

primary

#3956BB

secondary

#C8BA87

accent

#BC4BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3956BB

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

Preview Lab → · Contrast checker → · Palette generator →