#3956BF#3956BF

#3956BF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.3% C 0.168 H 268.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3956BF
RGB	rgb(57, 86, 191)
HSL	hsl(227, 54%, 49%)
HSV	hsv(227, 70%, 75%)
CMYK	cmyk(70.2%, 55%, 0%, 25.1%)
CIE-LAB	lab(40.06, 25.02, -58.37)
CIE-LCH	lch(40.06, 63.50, 293.20°)
OKLab	oklab(49.26% -0.0058 -0.168)
OKLCH	oklch(49.26% 0.168 268)
XYZ	xyz(14.4159, 11.2856, 50.6987)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956BF #BFA239

analogous

#3999BF #3956BF #5F39BF

triadic

#3956BF #BF3956 #56BF39

tetradic

#3956BF #BF3999 #BFA239 #39BF5F

square

#3956BF #BF3999 #BFA239 #39BF5F

split-complementary

#3956BF #BF5F39 #99BF39

monochromatic

#1D2C61 #2B4190 #3956BF #647CD1 #93A4DF

Accessibility & contrast

On white

6.45

#3956BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3956BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956BF

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956BF	#FFFFFF	#000000	##FFFFFF
##3956BF	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C3

Deuteranopia (green-blind)

#0059BD

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3956bf;
/* rgb */ color: rgb(57, 86, 191);
/* oklch */ color: oklch(49.3% 0.168 268.0);

Tailwind

colors: {
  custom: {
    50: '#8085d3',
    500: '#3956bf',
    950: '#000000',
  },
}

SCSS

$custom: #3956bf;
$custom-light: #8085d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3956bf",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 191
  },
  "hsl": {
    "h": 227.015,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49258,
    "c": 0.16811,
    "h": 268
  },
  "luminance": 0.11287
}

Semantic roles & 50–950 ramp

primary

#3956BF

secondary

#CABC8A

accent

#BE4ADD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3956BF

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

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