#3950C4#3950C4

#3950C4 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.182 H 269.7°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3950C4
RGB	rgb(57, 80, 196)
HSL	hsl(230, 55%, 50%)
HSV	hsv(230, 71%, 77%)
CMYK	cmyk(70.9%, 59.2%, 0%, 23.1%)
CIE-LAB	lab(38.88, 30.70, -63.19)
CIE-LCH	lch(38.88, 70.25, 295.91°)
OKLab	oklab(48.5% -0.0009 -0.1823)
OKLCH	oklch(48.5% 0.182 269.7)
XYZ	xyz(14.5164, 10.5912, 53.4931)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950C4 #C4AD39

analogous

#3996C4 #3950C4 #6839C4

triadic

#3950C4 #C43950 #50C439

tetradic

#3950C4 #C43996 #C4AD39 #39C468

square

#3950C4 #C43996 #C4AD39 #39C468

split-complementary

#3950C4 #C46839 #96C439

monochromatic

#1D2965 #2B3D95 #3950C4 #6779D3 #97A3E1

Accessibility & contrast

On white

6.73

#3950C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3950C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950C4

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950C4	#FFFFFF	#000000	##FFFFFF
##3950C4	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C8

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#006D82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3950c4;
/* rgb */ color: rgb(57, 80, 196);
/* oklch */ color: oklch(48.5% 0.182 269.7);

Tailwind

colors: {
  custom: {
    50: '#8180d7',
    500: '#3950c4',
    950: '#000000',
  },
}

SCSS

$custom: #3950c4;
$custom-light: #8180d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3950c4",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 196
  },
  "hsl": {
    "h": 230.072,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48499,
    "c": 0.18226,
    "h": 269.7
  },
  "luminance": 0.10593
}

Semantic roles & 50–950 ramp

primary

#3950C4

secondary

#CCC28D

accent

#C64ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3950C4

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

Preview Lab → · Contrast checker → · Palette generator →