#3956B8#3956B8

#3956B8 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.158 H 267.7°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3956B8
RGB	rgb(57, 86, 184)
HSL	hsl(226, 53%, 47%)
HSV	hsv(226, 69%, 72%)
CMYK	cmyk(69%, 53.3%, 0%, 27.8%)
CIE-LAB	lab(39.55, 22.47, -55.09)
CIE-LCH	lch(39.55, 59.49, 292.19°)
OKLab	oklab(48.72% -0.0063 -0.1584)
OKLCH	oklch(48.72% 0.158 267.7)
XYZ	xyz(13.6639, 10.9848, 46.7383)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956B8 #B89B39

analogous

#3996B8 #3956B8 #5B39B8

triadic

#3956B8 #B83956 #56B839

tetradic

#3956B8 #B83996 #B89B39 #39B85B

square

#3956B8 #B83996 #B89B39 #39B85B

split-complementary

#3956B8 #B85B39 #96B839

monochromatic

#1C2A5B #2B4089 #3956B8 #6079CE #8FA1DC

Accessibility & contrast

On white

6.57

#3956B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3956B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956B8

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956B8	#FFFFFF	#000000	##FFFFFF
##3956B8	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1263BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3956b8;
/* rgb */ color: rgb(57, 86, 184);
/* oklch */ color: oklch(48.7% 0.158 267.7);

Tailwind

colors: {
  custom: {
    50: '#7f85ce',
    500: '#3956b8',
    950: '#000000',
  },
}

SCSS

$custom: #3956b8;
$custom-light: #7f85ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3956b8",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 184
  },
  "hsl": {
    "h": 226.299,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4872,
    "c": 0.15849,
    "h": 267.7
  },
  "luminance": 0.10986
}

Semantic roles & 50–950 ramp

primary

#3956B8

secondary

#C7B886

accent

#BB4CDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3956B8

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

Preview Lab → · Contrast checker → · Palette generator →