#3956B2#3956B2

#3956B2 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.150 H 267.4°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3956B2
RGB	rgb(57, 86, 178)
HSL	hsl(226, 51%, 46%)
HSV	hsv(226, 68%, 70%)
CMYK	cmyk(68%, 51.7%, 0%, 30.2%)
CIE-LAB	lab(39.14, 20.28, -52.23)
CIE-LCH	lch(39.14, 56.03, 291.22°)
OKLab	oklab(48.27% -0.0069 -0.15)
OKLCH	oklch(48.27% 0.15 267.4)
XYZ	xyz(13.0482, 10.7385, 43.4959)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956B2 #B29539

analogous

#3992B2 #3956B2 #5839B2

triadic

#3956B2 #B23956 #56B239

tetradic

#3956B2 #B23992 #B29539 #39B258

square

#3956B2 #B23992 #B29539 #39B258

split-complementary

#3956B2 #B25839 #92B239

monochromatic

#1B2955 #2A4084 #3956B2 #5D77CB #8B9EDA

Accessibility & contrast

On white

6.67

#3956B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3956B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956B2

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956B2	#FFFFFF	#000000	##FFFFFF
##3956B2	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E62B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3956b2;
/* rgb */ color: rgb(57, 86, 178);
/* oklch */ color: oklch(48.3% 0.150 267.4);

Tailwind

colors: {
  custom: {
    50: '#7d85ca',
    500: '#3956b2',
    950: '#000000',
  },
}

SCSS

$custom: #3956b2;
$custom-light: #7d85ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3956b2",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 178
  },
  "hsl": {
    "h": 225.62,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4827,
    "c": 0.15013,
    "h": 267.4
  },
  "luminance": 0.1074
}

Semantic roles & 50–950 ramp

primary

#3956B2

secondary

#C4B582

accent

#B94DDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3956B2

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

Preview Lab → · Contrast checker → · Palette generator →