#3967CA#3967CA

#3967CA is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.6% C 0.162 H 263.2°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3967CA
RGB	rgb(57, 103, 202)
HSL	hsl(221, 58%, 51%)
HSV	hsv(221, 72%, 79%)
CMYK	cmyk(71.8%, 49%, 0%, 20.8%)
CIE-LAB	lab(45.40, 18.11, -56.09)
CIE-LCH	lch(45.40, 58.94, 287.89°)
OKLab	oklab(53.56% -0.0191 -0.161)
OKLCH	oklch(53.56% 0.162 263.2)
XYZ	xyz(17.1945, 14.8328, 57.8225)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967CA #CA9C39

analogous

#39AFCA #3967CA #5439CA

triadic

#3967CA #CA3967 #67CA39

tetradic

#3967CA #CA39AF #CA9C39 #39CA54

square

#3967CA #CA39AF #CA9C39 #39CA54

split-complementary

#3967CA #CA5439 #AFCA39

monochromatic

#1D366C #2A4E9C #3967CA #698CD7 #9AB1E4

Accessibility & contrast

On white

5.29

#3967CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3967CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967CA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967CA	#FFFFFF	#000000	##FFFFFF
##3967CA	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F73CE

Deuteranopia (green-blind)

#0065C8

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3967ca;
/* rgb */ color: rgb(57, 103, 202);
/* oklch */ color: oklch(53.6% 0.162 263.2);

Tailwind

colors: {
  custom: {
    50: '#8191db',
    500: '#3967ca',
    950: '#000000',
  },
}

SCSS

$custom: #3967ca;
$custom-light: #8191db;
$custom-dark: #000000;

JSON

{
  "hex": "#3967ca",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 202
  },
  "hsl": {
    "h": 220.966,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53555,
    "c": 0.16218,
    "h": 263.2
  },
  "luminance": 0.14835
}

Semantic roles & 50–950 ramp

primary

#3967CA

secondary

#D0BB8F

accent

#B047E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3967CA

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

Preview Lab → · Contrast checker → · Palette generator →