#3A3FBF#3A3FBF

#3A3FBF is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.1% C 0.196 H 273.7°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3A3FBF
RGB	rgb(58, 63, 191)
HSL	hsl(238, 53%, 49%)
HSV	hsv(238, 70%, 75%)
CMYK	cmyk(69.6%, 67%, 0%, 25.1%)
CIE-LAB	lab(34.43, 39.75, -67.55)
CIE-LCH	lch(34.43, 78.38, 300.48°)
OKLab	oklab(45.11% 0.0124 -0.1952)
OKLCH	oklch(45.11% 0.196 273.7)
XYZ	xyz(12.9233, 8.2149, 50.1847)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3FBF #BFBA3A

analogous

#3A82BF #3A3FBF #783ABF

triadic

#3A3FBF #BF3A3F #3FBF3A

tetradic

#3A3FBF #BF3A82 #BFBA3A #3ABF78

square

#3A3FBF #BF3A82 #BFBA3A #3ABF78

split-complementary

#3A3FBF #BF783A #82BF3A

monochromatic

#1D2061 #2C3090 #3A3FBF #666AD0 #9597DF

Accessibility & contrast

On white

7.94

#3A3FBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3A3FBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3FBF

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3FBF	#FFFFFF	#000000	##FFFFFF
##3A3FBF	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C3

Deuteranopia (green-blind)

#004BBD

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a3fbf;
/* rgb */ color: rgb(58, 63, 191);
/* oklch */ color: oklch(45.1% 0.196 273.7);

Tailwind

colors: {
  custom: {
    50: '#8274d3',
    500: '#3a3fbf',
    950: '#000000',
  },
}

SCSS

$custom: #3a3fbf;
$custom-light: #8274d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3fbf",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 191
  },
  "hsl": {
    "h": 237.744,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45108,
    "c": 0.19556,
    "h": 273.7
  },
  "luminance": 0.08216
}

Semantic roles & 50–950 ramp

primary

#3A3FBF

secondary

#CAC88B

accent

#D74BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A3FBF

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

Preview Lab → · Contrast checker → · Palette generator →