#4147B5#4147B5

#4147B5 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.1% C 0.171 H 275.0°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#4147B5
RGB	rgb(65, 71, 181)
HSL	hsl(237, 47%, 48%)
HSV	hsv(237, 64%, 71%)
CMYK	cmyk(64.1%, 60.8%, 0%, 29%)
CIE-LAB	lab(35.92, 32.31, -59.20)
CIE-LCH	lch(35.92, 67.45, 298.62°)
OKLab	oklab(46.06% 0.0151 -0.1705)
OKLCH	oklch(46.06% 0.171 275)
XYZ	xyz(12.7710, 8.9654, 44.7646)
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

#4147B5 #B5AF41

analogous

#4181B5 #4147B5 #7541B5

triadic

#4147B5 #B54147 #47B541

tetradic

#4147B5 #B54181 #B5AF41 #41B575

square

#4147B5 #B54181 #B5AF41 #41B575

split-complementary

#4147B5 #B57541 #81B541

monochromatic

#21245B #313588 #4147B5 #6A6FC9 #979ADA

Accessibility & contrast

On white

7.52

#4147B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4147B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4147B5

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4147B5	#FFFFFF	#000000	##FFFFFF
##4147B5	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB9

Deuteranopia (green-blind)

#004FB3

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4147b5;
/* rgb */ color: rgb(65, 71, 181);
/* oklch */ color: oklch(46.1% 0.171 275.0);

Tailwind

colors: {
  custom: {
    50: '#837acc',
    500: '#4147b5',
    950: '#000000',
  },
}

SCSS

$custom: #4147b5;
$custom-light: #837acc;
$custom-dark: #000000;

JSON

{
  "hex": "#4147b5",
  "rgb": {
    "r": 65,
    "g": 71,
    "b": 181
  },
  "hsl": {
    "h": 236.897,
    "s": 47.154,
    "l": 48.235
  },
  "oklch": {
    "l": 0.46055,
    "c": 0.17112,
    "h": 275
  },
  "luminance": 0.08966
}

Semantic roles & 50–950 ramp

primary

#4147B5

secondary

#C5C28C

accent

#D051D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4147B5

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

Preview Lab → · Contrast checker → · Palette generator →