#3954CD#3954CD

#3954CD is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.0% C 0.189 H 268.8°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3954CD
RGB	rgb(57, 84, 205)
HSL	hsl(229, 60%, 51%)
HSV	hsv(229, 72%, 80%)
CMYK	cmyk(72.2%, 59%, 0%, 19.6%)
CIE-LAB	lab(40.60, 31.38, -65.61)
CIE-LCH	lch(40.60, 72.72, 295.56°)
OKLab	oklab(50% -0.0038 -0.1893)
OKLCH	oklch(50% 0.189 268.8)
XYZ	xyz(15.8733, 11.6166, 59.1515)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3954CD #CDB239

analogous

#399ECD #3954CD #6839CD

triadic

#3954CD #CD3954 #54CD39

tetradic

#3954CD #CD399E #CDB239 #39CD68

square

#3954CD #CD399E #CDB239 #39CD68

split-complementary

#3954CD #CD6839 #9ECD39

monochromatic

#1C2B6F #283EA0 #3954CD #6A7ED9 #9BA8E6

Accessibility & contrast

On white

6.32

#3954CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3954CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3954CD

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3954CD	#FFFFFF	#000000	##FFFFFF
##3954CD	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)

#0067D1

Deuteranopia (green-blind)

#0059CB

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3954cd;
/* rgb */ color: rgb(57, 84, 205);
/* oklch */ color: oklch(50.0% 0.189 268.8);

Tailwind

colors: {
  custom: {
    50: '#8383dd',
    500: '#3954cd',
    950: '#000000',
  },
}

SCSS

$custom: #3954cd;
$custom-light: #8383dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3954cd",
  "rgb": {
    "r": 57,
    "g": 84,
    "b": 205
  },
  "hsl": {
    "h": 229.054,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49997,
    "c": 0.18936,
    "h": 268.8
  },
  "luminance": 0.11618
}

Semantic roles & 50–950 ramp

primary

#3954CD

secondary

#D2C690

accent

#C645E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3954CD

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

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