#3955BE#3955BE

#3955BE is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.0% C 0.168 H 268.3°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3955BE
RGB	rgb(57, 85, 190)
HSL	hsl(227, 54%, 48%)
HSV	hsv(227, 70%, 75%)
CMYK	cmyk(70%, 55.3%, 0%, 25.5%)
CIE-LAB	lab(39.72, 25.30, -58.33)
CIE-LCH	lch(39.72, 63.58, 293.45°)
OKLab	oklab(48.98% -0.0051 -0.1679)
OKLCH	oklch(48.98% 0.168 268.3)
XYZ	xyz(14.2269, 11.0831, 50.0947)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955BE #BEA239

analogous

#3997BE #3955BE #5F39BE

triadic

#3955BE #BE3955 #55BE39

tetradic

#3955BE #BE3997 #BEA239 #39BE5F

square

#3955BE #BE3997 #BEA239 #39BE5F

split-complementary

#3955BE #BE5F39 #97BE39

monochromatic

#1D2B60 #2B408F #3955BE #647BD0 #93A3DF

Accessibility & contrast

On white

6.53

#3955BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3955BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955BE

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955BE	#FFFFFF	#000000	##FFFFFF
##3955BE	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C2

Deuteranopia (green-blind)

#0058BC

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3955be;
/* rgb */ color: rgb(57, 85, 190);
/* oklch */ color: oklch(49.0% 0.168 268.3);

Tailwind

colors: {
  custom: {
    50: '#8084d2',
    500: '#3955be',
    950: '#000000',
  },
}

SCSS

$custom: #3955be;
$custom-light: #8084d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3955be",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 190
  },
  "hsl": {
    "h": 227.368,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48981,
    "c": 0.168,
    "h": 268.3
  },
  "luminance": 0.11085
}

Semantic roles & 50–950 ramp

primary

#3955BE

secondary

#CABC89

accent

#BE4BDD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3955BE

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

Preview Lab → · Contrast checker → · Palette generator →