#3956AD#3956AD

#3956AD is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.143 H 267.0°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#3956AD
RGB	rgb(57, 86, 173)
HSL	hsl(225, 50%, 45%)
HSV	hsv(225, 67%, 68%)
CMYK	cmyk(67.1%, 50.3%, 0%, 32.2%)
CIE-LAB	lab(38.80, 18.45, -49.83)
CIE-LCH	lch(38.80, 53.13, 290.32°)
OKLab	oklab(47.9% -0.0074 -0.1429)
OKLCH	oklch(47.9% 0.143 267)
XYZ	xyz(12.5554, 10.5414, 40.9001)
Luminance	0.1054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3956AD #AD9039

analogous

#3990AD #3956AD #5639AD

triadic

#3956AD #AD3956 #56AD39

tetradic

#3956AD #AD3990 #AD9039 #39AD56

square

#3956AD #AD3990 #AD9039 #39AD56

split-complementary

#3956AD #AD5639 #90AD39

monochromatic

#1B2851 #2A3F7F #3956AD #5A76C9 #889CD8

Accessibility & contrast

On white

6.76

#3956AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3956AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3956AD

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3956AD	#FFFFFF	#000000	##FFFFFF
##3956AD	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2561B0

Deuteranopia (green-blind)

#0056AB

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3956ad;
/* rgb */ color: rgb(57, 86, 173);
/* oklch */ color: oklch(47.9% 0.143 267.0);

Tailwind

colors: {
  custom: {
    50: '#7c85c6',
    500: '#3956ad',
    950: '#000000',
  },
}

SCSS

$custom: #3956ad;
$custom-light: #7c85c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3956ad",
  "rgb": {
    "r": 57,
    "g": 86,
    "b": 173
  },
  "hsl": {
    "h": 225,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47904,
    "c": 0.14308,
    "h": 267
  },
  "luminance": 0.10543
}

Semantic roles & 50–950 ramp

primary

#3956AD

secondary

#C2B280

accent

#B74EDA

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3956AD

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

Preview Lab → · Contrast checker → · Palette generator →