#3956B7#3956B7

#3956B7 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.6% C 0.157 H 267.7°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3956B7
RGB	rgb(57, 86, 183)
HSL	hsl(226, 53%, 47%)
HSV	hsv(226, 69%, 72%)
CMYK	cmyk(68.9%, 53%, 0%, 28.2%)
CIE-LAB	lab(39.48, 22.10, -54.61)
CIE-LCH	lch(39.48, 58.92, 292.03°)
OKLab	oklab(48.64% -0.0064 -0.157)
OKLCH	oklch(48.64% 0.157 267.7)
XYZ	xyz(13.5594, 10.9430, 46.1882)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956B7 #B79A39

analogous

#3995B7 #3956B7 #5B39B7

triadic

#3956B7 #B73956 #56B739

tetradic

#3956B7 #B73995 #B79A39 #39B75B

square

#3956B7 #B73995 #B79A39 #39B75B

split-complementary

#3956B7 #B75B39 #95B739

monochromatic

#1C2A5A #2A4088 #3956B7 #6079CD #8EA0DC

Accessibility & contrast

On white

6.59

#3956B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3956B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956B7

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956B7	#FFFFFF	#000000	##FFFFFF
##3956B7	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1463BA

Deuteranopia (green-blind)

#0058B5

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3956b7;
/* rgb */ color: rgb(57, 86, 183);
/* oklch */ color: oklch(48.6% 0.157 267.7);

Tailwind

colors: {
  custom: {
    50: '#7e85cd',
    500: '#3956b7',
    950: '#000000',
  },
}

SCSS

$custom: #3956b7;
$custom-light: #7e85cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3956b7",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 183
  },
  "hsl": {
    "h": 226.19,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48644,
    "c": 0.1571,
    "h": 267.7
  },
  "luminance": 0.10944
}

Semantic roles & 50–950 ramp

primary

#3956B7

secondary

#C7B885

accent

#BB4CDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3956B7

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

Preview Lab → · Contrast checker → · Palette generator →