#3951D6#3951D6

#3951D6 is a mid, highly saturated blue. Relative luminance 0.116; OKLCH L 50.2% C 0.205 H 269.5°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3951D6
RGB	rgb(57, 81, 214)
HSL	hsl(231, 66%, 53%)
HSV	hsv(231, 73%, 84%)
CMYK	cmyk(73.4%, 62.1%, 0%, 16.1%)
CIE-LAB	lab(40.59, 36.49, -70.81)
CIE-LCH	lch(40.59, 79.66, 297.27°)
OKLab	oklab(50.21% -0.0018 -0.2046)
OKLCH	oklch(50.21% 0.205 269.5)
XYZ	xyz(16.7632, 11.6080, 64.9624)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3951D6 #D6BE39

analogous

#399FD6 #3951D6 #6F39D6

triadic

#3951D6 #D63951 #51D639

tetradic

#3951D6 #D6399F #D6BE39 #39D66F

square

#3951D6 #D6399F #D6BE39 #39D66F

split-complementary

#3951D6 #D66F39 #9FD639

monochromatic

#19287B #2439AE #3951D6 #6C7EE0 #9EAAEB

Accessibility & contrast

On white

6.32

#3951D6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3951D6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3951D6

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3951D6	#FFFFFF	#000000	##FFFFFF
##3951D6	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067DA

Deuteranopia (green-blind)

#0058D3

Tritanopia (blue-blind)

#00738C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3951d6;
/* rgb */ color: rgb(57, 81, 214);
/* oklch */ color: oklch(50.2% 0.205 269.5);

Tailwind

colors: {
  custom: {
    50: '#8581e4',
    500: '#3951d6',
    950: '#000000',
  },
}

SCSS

$custom: #3951d6;
$custom-light: #8581e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3951d6",
  "rgb": {
    "r": 57,
    "g": 81,
    "b": 214
  },
  "hsl": {
    "h": 230.828,
    "s": 65.69,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50213,
    "c": 0.20462,
    "h": 269.5
  },
  "luminance": 0.1161
}

Semantic roles & 50–950 ramp

primary

#3951D6

secondary

#D7CD94

accent

#CF3FE9

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3951D6

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

Preview Lab → · Contrast checker → · Palette generator →