#3A48BB#3A48BB

#3A48BB is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.3% C 0.180 H 272.0°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3A48BB
RGB	rgb(58, 72, 187)
HSL	hsl(233, 53%, 48%)
HSV	hsv(233, 69%, 73%)
CMYK	cmyk(69%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(36.22, 32.74, -62.27)
CIE-LCH	lch(36.22, 70.35, 297.73°)
OKLab	oklab(46.31% 0.0063 -0.1796)
OKLCH	oklch(46.31% 0.18 272)
XYZ	xyz(13.0289, 9.1209, 48.0780)
Luminance	0.0912 (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

#3A48BB #BBAD3A

analogous

#3A89BB #3A48BB #6C3ABB

triadic

#3A48BB #BB3A48 #48BB3A

tetradic

#3A48BB #BB3A89 #BBAD3A #3ABB6C

square

#3A48BB #BB3A89 #BBAD3A #3ABB6C

split-complementary

#3A48BB #BB6C3A #89BB3A

monochromatic

#1D245E #2C368C #3A48BB #636FCF #929ADD

Accessibility & contrast

On white

7.44

#3A48BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3A48BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A48BB

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A48BB	#FFFFFF	#000000	##FFFFFF
##3A48BB	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3a48bb;
/* rgb */ color: rgb(58, 72, 187);
/* oklch */ color: oklch(46.3% 0.180 272.0);

Tailwind

colors: {
  custom: {
    50: '#817bd0',
    500: '#3a48bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a48bb;
$custom-light: #817bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a48bb",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 233.488,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.46312,
    "c": 0.17974,
    "h": 272
  },
  "luminance": 0.09122
}

Semantic roles & 50–950 ramp

primary

#3A48BB

secondary

#C8C188

accent

#CC4CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3A48BB

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

Preview Lab → · Contrast checker → · Palette generator →