#3950BF#3950BF

#3950BF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.1% C 0.176 H 269.7°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3950BF
RGB	rgb(57, 80, 191)
HSL	hsl(230, 54%, 49%)
HSV	hsv(230, 70%, 75%)
CMYK	cmyk(70.2%, 58.1%, 0%, 25.1%)
CIE-LAB	lab(38.49, 28.90, -60.90)
CIE-LCH	lch(38.49, 67.41, 295.38°)
OKLab	oklab(48.09% -0.001 -0.1756)
OKLCH	oklch(48.09% 0.176 269.7)
XYZ	xyz(13.9568, 10.3674, 50.5457)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950BF #BFA839

analogous

#3993BF #3950BF #6539BF

triadic

#3950BF #BF3950 #50BF39

tetradic

#3950BF #BF3993 #BFA839 #39BF65

square

#3950BF #BF3993 #BFA839 #39BF65

split-complementary

#3950BF #BF6539 #93BF39

monochromatic

#1D2961 #2B3C90 #3950BF #6477D1 #93A0DF

Accessibility & contrast

On white

6.83

#3950BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3950BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950BF

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950BF	#FFFFFF	#000000	##FFFFFF
##3950BF	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C3

Deuteranopia (green-blind)

#0055BD

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3950bf;
/* rgb */ color: rgb(57, 80, 191);
/* oklch */ color: oklch(48.1% 0.176 269.7);

Tailwind

colors: {
  custom: {
    50: '#8080d3',
    500: '#3950bf',
    950: '#000000',
  },
}

SCSS

$custom: #3950bf;
$custom-light: #8080d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3950bf",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 191
  },
  "hsl": {
    "h": 229.701,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.48087,
    "c": 0.17556,
    "h": 269.7
  },
  "luminance": 0.10369
}

Semantic roles & 50–950 ramp

primary

#3950BF

secondary

#CABF8A

accent

#C44ADD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3950BF

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

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