#3955D3#3955D3

#3955D3 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.7% C 0.196 H 268.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3955D3
RGB	rgb(57, 85, 211)
HSL	hsl(229, 64%, 53%)
HSV	hsv(229, 73%, 83%)
CMYK	cmyk(73%, 59.7%, 0%, 17.3%)
CIE-LAB	lab(41.32, 32.90, -67.88)
CIE-LCH	lch(41.32, 75.43, 295.86°)
OKLab	oklab(50.68% -0.0045 -0.196)
OKLCH	oklch(50.68% 0.196 268.7)
XYZ	xyz(16.6897, 12.0682, 63.0652)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955D3 #D3B739

analogous

#39A2D3 #3955D3 #6A39D3

triadic

#3955D3 #D33955 #55D339

tetradic

#3955D3 #D339A2 #D3B739 #39D36A

square

#3955D3 #D339A2 #D3B739 #39D36A

split-complementary

#3955D3 #D36A39 #A2D339

monochromatic

#1A2B77 #263EA9 #3955D3 #6B80DE #9DABE9

Accessibility & contrast

On white

6.15

#3955D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#3955D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955D3

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955D3	#FFFFFF	#000000	##FFFFFF
##3955D3	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D7

Deuteranopia (green-blind)

#005BD1

Tritanopia (blue-blind)

#00758C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3955d3;
/* rgb */ color: rgb(57, 85, 211);
/* oklch */ color: oklch(50.7% 0.196 268.7);

Tailwind

colors: {
  custom: {
    50: '#8484e1',
    500: '#3955d3',
    950: '#000000',
  },
}

SCSS

$custom: #3955d3;
$custom-light: #8484e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3955d3",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 211
  },
  "hsl": {
    "h": 229.091,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50684,
    "c": 0.19603,
    "h": 268.7
  },
  "luminance": 0.1207
}

Semantic roles & 50–950 ramp

primary

#3955D3

secondary

#D5C992

accent

#C941E7

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #3955D3

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

Preview Lab → · Contrast checker → · Palette generator →