#3950C5#3950C5

#3950C5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.6% C 0.184 H 269.7°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3950C5
RGB	rgb(57, 80, 197)
HSL	hsl(230, 55%, 50%)
HSV	hsv(230, 71%, 77%)
CMYK	cmyk(71.1%, 59.4%, 0%, 22.7%)
CIE-LAB	lab(38.96, 31.06, -63.64)
CIE-LCH	lch(38.96, 70.81, 296.01°)
OKLab	oklab(48.58% -0.0009 -0.1836)
OKLCH	oklch(48.58% 0.184 269.7)
XYZ	xyz(14.6306, 10.6369, 54.0946)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950C5 #C5AE39

analogous

#3996C5 #3950C5 #6839C5

triadic

#3950C5 #C53950 #50C539

tetradic

#3950C5 #C53996 #C5AE39 #39C568

square

#3950C5 #C53996 #C5AE39 #39C568

split-complementary

#3950C5 #C56839 #96C539

monochromatic

#1E2966 #2B3D96 #3950C5 #687AD3 #97A3E1

Accessibility & contrast

On white

6.71

#3950C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3950C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950C5

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950C5	#FFFFFF	#000000	##FFFFFF
##3950C5	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C9

Deuteranopia (green-blind)

#0055C3

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3950c5;
/* rgb */ color: rgb(57, 80, 197);
/* oklch */ color: oklch(48.6% 0.184 269.7);

Tailwind

colors: {
  custom: {
    50: '#8280d7',
    500: '#3950c5',
    950: '#000000',
  },
}

SCSS

$custom: #3950c5;
$custom-light: #8280d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3950c5",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 197
  },
  "hsl": {
    "h": 230.143,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48582,
    "c": 0.1836,
    "h": 269.7
  },
  "luminance": 0.10638
}

Semantic roles & 50–950 ramp

primary

#3950C5

secondary

#CDC28D

accent

#C649DE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3950C5

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

Preview Lab → · Contrast checker → · Palette generator →