#3950BC#3950BC

#3950BC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.8% C 0.172 H 269.6°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3950BC
RGB	rgb(57, 80, 188)
HSL	hsl(229, 53%, 48%)
HSV	hsv(229, 70%, 74%)
CMYK	cmyk(69.7%, 57.4%, 0%, 26.3%)
CIE-LAB	lab(38.26, 27.82, -59.52)
CIE-LCH	lch(38.26, 65.70, 295.05°)
OKLab	oklab(47.84% -0.0011 -0.1715)
OKLCH	oklch(47.84% 0.172 269.6)
XYZ	xyz(13.6300, 10.2367, 48.8248)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950BC #BCA539

analogous

#3991BC #3950BC #6439BC

triadic

#3950BC #BC3950 #50BC39

tetradic

#3950BC #BC3991 #BCA539 #39BC64

square

#3950BC #BC3991 #BCA539 #39BC64

split-complementary

#3950BC #BC6439 #91BC39

monochromatic

#1D285E #2B3C8D #3950BC #6376D0 #929FDE

Accessibility & contrast

On white

6.89

#3950BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3950BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950BC

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950BC	#FFFFFF	#000000	##FFFFFF
##3950BC	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3950bc;
/* rgb */ color: rgb(57, 80, 188);
/* oklch */ color: oklch(47.8% 0.172 269.6);

Tailwind

colors: {
  custom: {
    50: '#8080d1',
    500: '#3950bc',
    950: '#000000',
  },
}

SCSS

$custom: #3950bc;
$custom-light: #8080d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3950bc",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 188
  },
  "hsl": {
    "h": 229.466,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47843,
    "c": 0.1715,
    "h": 269.6
  },
  "luminance": 0.10238
}

Semantic roles & 50–950 ramp

primary

#3950BC

secondary

#C9BD88

accent

#C34BDD

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3950BC

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

Preview Lab → · Contrast checker → · Palette generator →