#3950DA#3950DA

#3950DA is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 50.4% C 0.211 H 269.6°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3950DA
RGB	rgb(57, 80, 218)
HSL	hsl(231, 69%, 54%)
HSV	hsv(231, 74%, 85%)
CMYK	cmyk(73.9%, 63.3%, 0%, 14.5%)
CIE-LAB	lab(40.68, 38.53, -72.94)
CIE-LCH	lch(40.68, 82.49, 297.84°)
OKLab	oklab(50.39% -0.0014 -0.2109)
OKLCH	oklch(50.39% 0.211 269.6)
XYZ	xyz(17.2065, 11.6673, 67.6613)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950DA #DAC339

analogous

#39A0DA #3950DA #7339DA

triadic

#3950DA #DA3950 #50DA39

tetradic

#3950DA #DA39A0 #DAC339 #39DA73

square

#3950DA #DA39A0 #DAC339 #39DA73

split-complementary

#3950DA #DA7339 #A0DA39

monochromatic

#182781 #2237B4 #3950DA #6D7EE4 #A0ABED

Accessibility & contrast

On white

6.30

#3950DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3950DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950DA

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950DA	#FFFFFF	#000000	##FFFFFF
##3950DA	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DE

Deuteranopia (green-blind)

#0058D7

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3950da;
/* rgb */ color: rgb(57, 80, 218);
/* oklch */ color: oklch(50.4% 0.211 269.6);

Tailwind

colors: {
  custom: {
    50: '#8681e7',
    500: '#3950da',
    950: '#000000',
  },
}

SCSS

$custom: #3950da;
$custom-light: #8681e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3950da",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 218
  },
  "hsl": {
    "h": 231.429,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50387,
    "c": 0.21088,
    "h": 269.6
  },
  "luminance": 0.11669
}

Semantic roles & 50–950 ramp

primary

#3950DA

secondary

#DAD095

accent

#D23CEB

background

#F9F7FE

surface

#F1EEFD

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3950DA

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

Preview Lab → · Contrast checker → · Palette generator →