#3950BD#3950BD

#3950BD is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.173 H 269.7°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3950BD
RGB	rgb(57, 80, 189)
HSL	hsl(230, 54%, 48%)
HSV	hsv(230, 70%, 74%)
CMYK	cmyk(69.8%, 57.7%, 0%, 25.9%)
CIE-LAB	lab(38.34, 28.18, -59.98)
CIE-LCH	lch(38.34, 66.27, 295.16°)
OKLab	oklab(47.92% -0.001 -0.1729)
OKLCH	oklch(47.92% 0.173 269.7)
XYZ	xyz(13.7382, 10.2799, 49.3945)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950BD #BDA639

analogous

#3992BD #3950BD #6439BD

triadic

#3950BD #BD3950 #50BD39

tetradic

#3950BD #BD3992 #BDA639 #39BD64

square

#3950BD #BD3992 #BDA639 #39BD64

split-complementary

#3950BD #BD6439 #92BD39

monochromatic

#1D285F #2B3C8E #3950BD #6376D0 #929FDE

Accessibility & contrast

On white

6.87

#3950BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3950BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950BD

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950BD	#FFFFFF	#000000	##FFFFFF
##3950BD	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C1

Deuteranopia (green-blind)

#0054BB

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3950bd;
/* rgb */ color: rgb(57, 80, 189);
/* oklch */ color: oklch(47.9% 0.173 269.7);

Tailwind

colors: {
  custom: {
    50: '#8080d2',
    500: '#3950bd',
    950: '#000000',
  },
}

SCSS

$custom: #3950bd;
$custom-light: #8080d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3950bd",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 189
  },
  "hsl": {
    "h": 229.545,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47924,
    "c": 0.17286,
    "h": 269.7
  },
  "luminance": 0.10281
}

Semantic roles & 50–950 ramp

primary

#3950BD

secondary

#C9BE89

accent

#C44BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3950BD

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

Preview Lab → · Contrast checker → · Palette generator →