#4148B2#4148B2

#4148B2 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.166 H 274.9°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#4148B2
RGB	rgb(65, 72, 178)
HSL	hsl(236, 47%, 48%)
HSV	hsv(236, 63%, 70%)
CMYK	cmyk(63.5%, 59.6%, 0%, 30.2%)
CIE-LAB	lab(35.93, 30.64, -57.41)
CIE-LCH	lch(35.93, 65.07, 298.09°)
OKLab	oklab(45.99% 0.0142 -0.1652)
OKLCH	oklch(45.99% 0.166 274.9)
XYZ	xyz(12.5306, 8.9719, 43.1823)
Luminance	0.0897 (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

#4148B2 #B2AB41

analogous

#4181B2 #4148B2 #7241B2

triadic

#4148B2 #B24148 #48B241

tetradic

#4148B2 #B24181 #B2AB41 #41B272

square

#4148B2 #B24181 #B2AB41 #41B272

split-complementary

#4148B2 #B27241 #81B241

monochromatic

#202458 #313685 #4148B2 #686EC8 #9599D8

Accessibility & contrast

On white

7.51

#4148B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4148B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4148B2

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148B2	#FFFFFF	#000000	##FFFFFF
##4148B2	1.00	7.51	2.79	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB6

Deuteranopia (green-blind)

#0050B0

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4148b2;
/* rgb */ color: rgb(65, 72, 178);
/* oklch */ color: oklch(46.0% 0.166 274.9);

Tailwind

colors: {
  custom: {
    50: '#827bca',
    500: '#4148b2',
    950: '#000000',
  },
}

SCSS

$custom: #4148b2;
$custom-light: #827bca;
$custom-dark: #000000;

JSON

{
  "hex": "#4148b2",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 178
  },
  "hsl": {
    "h": 236.283,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.4599,
    "c": 0.16578,
    "h": 274.9
  },
  "luminance": 0.08973
}

Semantic roles & 50–950 ramp

primary

#4148B2

secondary

#C4C08B

accent

#CE52D6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4148B2

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

Preview Lab → · Contrast checker → · Palette generator →