#4148BA#4148BA

#4148BA is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.7% C 0.177 H 274.6°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#4148BA
RGB	rgb(65, 72, 186)
HSL	hsl(237, 48%, 49%)
HSV	hsv(237, 65%, 73%)
CMYK	cmyk(65.1%, 61.3%, 0%, 27.1%)
CIE-LAB	lab(36.56, 33.40, -61.10)
CIE-LCH	lch(36.56, 69.63, 298.66°)
OKLab	oklab(46.65% 0.014 -0.176)
OKLCH	oklch(46.65% 0.177 274.6)
XYZ	xyz(13.3573, 9.3026, 47.5365)
Luminance	0.0930 (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

#4148BA #BAB341

analogous

#4185BA #4148BA #7741BA

triadic

#4148BA #BA4148 #48BA41

tetradic

#4148BA #BA4185 #BAB341 #41BA77

square

#4148BA #BA4185 #BAB341 #41BA77

split-complementary

#4148BA #BA7741 #85BA41

monochromatic

#21255F #31368D #4148BA #6C72CC #9A9EDC

Accessibility & contrast

On white

7.34

#4148BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4148BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4148BA

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148BA	#FFFFFF	#000000	##FFFFFF
##4148BA	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBE

Deuteranopia (green-blind)

#0051B8

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4148ba;
/* rgb */ color: rgb(65, 72, 186);
/* oklch */ color: oklch(46.7% 0.177 274.6);

Tailwind

colors: {
  custom: {
    50: '#837bd0',
    500: '#4148ba',
    950: '#000000',
  },
}

SCSS

$custom: #4148ba;
$custom-light: #837bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4148ba",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 186
  },
  "hsl": {
    "h": 236.529,
    "s": 48.207,
    "l": 49.216
  },
  "oklch": {
    "l": 0.46653,
    "c": 0.17659,
    "h": 274.6
  },
  "luminance": 0.09304
}

Semantic roles & 50–950 ramp

primary

#4148BA

secondary

#C8C48F

accent

#D050D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4148BA

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

Preview Lab → · Contrast checker → · Palette generator →