#3955D5#3955D5

#3955D5 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.9% C 0.199 H 268.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3955D5
RGB	rgb(57, 85, 213)
HSL	hsl(229, 65%, 53%)
HSV	hsv(229, 73%, 84%)
CMYK	cmyk(73.2%, 60.1%, 0%, 16.5%)
CIE-LAB	lab(41.48, 33.62, -68.77)
CIE-LCH	lch(41.48, 76.54, 296.05°)
OKLab	oklab(50.85% -0.0045 -0.1986)
OKLCH	oklch(50.85% 0.199 268.7)
XYZ	xyz(16.9419, 12.1692, 64.3939)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955D5 #D5B939

analogous

#39A3D5 #3955D5 #6B39D5

triadic

#3955D5 #D53955 #55D539

tetradic

#3955D5 #D539A3 #D5B939 #39D56B

square

#3955D5 #D539A3 #D5B939 #39D56B

split-complementary

#3955D5 #D56B39 #A3D539

monochromatic

#1A2B7A #253DAC #3955D5 #6B80E0 #9EACEA

Accessibility & contrast

On white

6.11

#3955D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3955D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955D5

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955D5	#FFFFFF	#000000	##FFFFFF
##3955D5	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D9

Deuteranopia (green-blind)

#005BD3

Tritanopia (blue-blind)

#00768D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3955d5;
/* rgb */ color: rgb(57, 85, 213);
/* oklch */ color: oklch(50.9% 0.199 268.7);

Tailwind

colors: {
  custom: {
    50: '#8584e3',
    500: '#3955d5',
    950: '#000000',
  },
}

SCSS

$custom: #3955d5;
$custom-light: #8584e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3955d5",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 213
  },
  "hsl": {
    "h": 229.231,
    "s": 65,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50851,
    "c": 0.19864,
    "h": 268.7
  },
  "luminance": 0.12171
}

Semantic roles & 50–950 ramp

primary

#3955D5

secondary

#D7CB93

accent

#CA40E8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #3955D5

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

Preview Lab → · Contrast checker → · Palette generator →