#4148B3#4148B3

#4148B3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.1% C 0.167 H 274.9°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#4148B3
RGB	rgb(65, 72, 179)
HSL	hsl(236, 47%, 48%)
HSV	hsv(236, 64%, 70%)
CMYK	cmyk(63.7%, 59.8%, 0%, 29.8%)
CIE-LAB	lab(36.01, 30.98, -57.87)
CIE-LCH	lch(36.01, 65.65, 298.16°)
OKLab	oklab(46.07% 0.0142 -0.1665)
OKLCH	oklch(46.07% 0.167 274.9)
XYZ	xyz(12.6313, 9.0122, 43.7130)
Luminance	0.0901 (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

#4148B3 #B3AC41

analogous

#4181B3 #4148B3 #7341B3

triadic

#4148B3 #B34148 #48B341

tetradic

#4148B3 #B34181 #B3AC41 #41B373

square

#4148B3 #B34181 #B3AC41 #41B373

split-complementary

#4148B3 #B37341 #81B341

monochromatic

#202459 #313686 #4148B3 #696FC8 #969AD9

Accessibility & contrast

On white

7.49

#4148B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4148B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4148B3

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148B3	#FFFFFF	#000000	##FFFFFF
##4148B3	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4148b3;
/* rgb */ color: rgb(65, 72, 179);
/* oklch */ color: oklch(46.1% 0.167 274.9);

Tailwind

colors: {
  custom: {
    50: '#827bcb',
    500: '#4148b3',
    950: '#000000',
  },
}

SCSS

$custom: #4148b3;
$custom-light: #827bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#4148b3",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 179
  },
  "hsl": {
    "h": 236.316,
    "s": 46.721,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46072,
    "c": 0.16715,
    "h": 274.9
  },
  "luminance": 0.09013
}

Semantic roles & 50–950 ramp

primary

#4148B3

secondary

#C4C18B

accent

#CE51D6

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4148B3

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

Preview Lab → · Contrast checker → · Palette generator →