#3950CC#3950CC

#3950CC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.2% C 0.193 H 269.7°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3950CC
RGB	rgb(57, 80, 204)
HSL	hsl(231, 59%, 51%)
HSV	hsv(231, 72%, 80%)
CMYK	cmyk(72.1%, 60.8%, 0%, 20%)
CIE-LAB	lab(39.52, 33.57, -66.79)
CIE-LCH	lch(39.52, 74.75, 296.68°)
OKLab	oklab(49.17% -0.001 -0.1928)
OKLCH	oklch(49.17% 0.193 269.7)
XYZ	xyz(15.4514, 10.9652, 58.4172)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950CC #CCB539

analogous

#3999CC #3950CC #6B39CC

triadic

#3950CC #CC3950 #50CC39

tetradic

#3950CC #CC3999 #CCB539 #39CC6B

square

#3950CC #CC3999 #CCB539 #39CC6B

split-complementary

#3950CC #CC6B39 #99CC39

monochromatic

#1C296E #293B9F #3950CC #6A7BD9 #9AA6E5

Accessibility & contrast

On white

6.58

#3950CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3950CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950CC

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950CC	#FFFFFF	#000000	##FFFFFF
##3950CC	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D0

Deuteranopia (green-blind)

#0056CA

Tritanopia (blue-blind)

#007086

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3950cc;
/* rgb */ color: rgb(57, 80, 204);
/* oklch */ color: oklch(49.2% 0.193 269.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3950cc",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 204
  },
  "hsl": {
    "h": 230.612,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49172,
    "c": 0.19283,
    "h": 269.7
  },
  "luminance": 0.10967
}

Semantic roles & 50–950 ramp

primary

#3950CC

secondary

#D1C790

accent

#CA46E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3950CC

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

Preview Lab → · Contrast checker → · Palette generator →