#3955BD#3955BD

#3955BD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.9% C 0.167 H 268.2°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3955BD
RGB	rgb(57, 85, 189)
HSL	hsl(227, 54%, 48%)
HSV	hsv(227, 70%, 74%)
CMYK	cmyk(69.8%, 55%, 0%, 25.9%)
CIE-LAB	lab(39.65, 24.94, -57.86)
CIE-LCH	lch(39.65, 63.01, 293.32°)
OKLab	oklab(48.9% -0.0051 -0.1665)
OKLCH	oklch(48.9% 0.167 268.2)
XYZ	xyz(14.1180, 11.0396, 49.5211)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955BD #BDA139

analogous

#3997BD #3955BD #5F39BD

triadic

#3955BD #BD3955 #55BD39

tetradic

#3955BD #BD3997 #BDA139 #39BD5F

square

#3955BD #BD3997 #BDA139 #39BD5F

split-complementary

#3955BD #BD5F39 #97BD39

monochromatic

#1D2B5F #2B408E #3955BD #637AD0 #92A2DE

Accessibility & contrast

On white

6.55

#3955BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3955BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955BD

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955BD	#FFFFFF	#000000	##FFFFFF
##3955BD	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)

#0064C1

Deuteranopia (green-blind)

#0058BB

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3955bd;
/* rgb */ color: rgb(57, 85, 189);
/* oklch */ color: oklch(48.9% 0.167 268.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3955bd",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 189
  },
  "hsl": {
    "h": 227.273,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48903,
    "c": 0.16663,
    "h": 268.2
  },
  "luminance": 0.11041
}

Semantic roles & 50–950 ramp

primary

#3955BD

secondary

#C9BC89

accent

#BE4BDD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3955BD

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

Preview Lab → · Contrast checker → · Palette generator →