#3950CD#3950CD

#3950CD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.3% C 0.194 H 269.7°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3950CD
RGB	rgb(57, 80, 205)
HSL	hsl(231, 60%, 51%)
HSV	hsv(231, 72%, 80%)
CMYK	cmyk(72.2%, 61%, 0%, 19.6%)
CIE-LAB	lab(39.60, 33.92, -67.23)
CIE-LCH	lch(39.60, 75.31, 296.77°)
OKLab	oklab(49.26% -0.001 -0.1941)
OKLCH	oklch(49.26% 0.194 269.7)
XYZ	xyz(15.5717, 11.0133, 59.0509)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950CD #CDB639

analogous

#399ACD #3950CD #6C39CD

triadic

#3950CD #CD3950 #50CD39

tetradic

#3950CD #CD399A #CDB639 #39CD6C

square

#3950CD #CD399A #CDB639 #39CD6C

split-complementary

#3950CD #CD6C39 #9ACD39

monochromatic

#1C296F #283BA0 #3950CD #6A7BD9 #9BA6E6

Accessibility & contrast

On white

6.56

#3950CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3950CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950CD

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950CD	#FFFFFF	#000000	##FFFFFF
##3950CD	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D1

Deuteranopia (green-blind)

#0057CB

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3950cd;
/* rgb */ color: rgb(57, 80, 205);
/* oklch */ color: oklch(49.3% 0.194 269.7);

Tailwind

colors: {
  custom: {
    50: '#8381dd',
    500: '#3950cd',
    950: '#000000',
  },
}

SCSS

$custom: #3950cd;
$custom-light: #8381dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3950cd",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 205
  },
  "hsl": {
    "h": 230.676,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49257,
    "c": 0.19414,
    "h": 269.7
  },
  "luminance": 0.11015
}

Semantic roles & 50–950 ramp

primary

#3950CD

secondary

#D2C790

accent

#CA45E3

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3950CD

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

Preview Lab → · Contrast checker → · Palette generator →