#4047AF#4047AF

#4047AF is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.5% C 0.163 H 274.9°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#4047AF
RGB	rgb(64, 71, 175)
HSL	hsl(236, 46%, 47%)
HSV	hsv(236, 63%, 69%)
CMYK	cmyk(63.4%, 59.4%, 0%, 31.4%)
CIE-LAB	lab(35.38, 30.08, -56.52)
CIE-LCH	lch(35.38, 64.03, 298.02°)
OKLab	oklab(45.49% 0.014 -0.1626)
OKLCH	oklch(45.49% 0.163 274.9)
XYZ	xyz(12.1029, 8.6906, 41.5888)
Luminance	0.0869 (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

#4047AF #AFA840

analogous

#407FAF #4047AF #7140AF

triadic

#4047AF #AF4047 #47AF40

tetradic

#4047AF #AF407F #AFA840 #40AF71

square

#4047AF #AF407F #AFA840 #40AF71

split-complementary

#4047AF #AF7140 #7FAF40

monochromatic

#1F2355 #303582 #4047AF #656CC7 #9297D7

Accessibility & contrast

On white

7.67

#4047AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4047AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047AF

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047AF	#FFFFFF	#000000	##FFFFFF
##4047AF	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B2

Deuteranopia (green-blind)

#004EAD

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4047af;
/* rgb */ color: rgb(64, 71, 175);
/* oklch */ color: oklch(45.5% 0.163 274.9);

Tailwind

colors: {
  custom: {
    50: '#817ac8',
    500: '#4047af',
    950: '#000000',
  },
}

SCSS

$custom: #4047af;
$custom-light: #817ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#4047af",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 175
  },
  "hsl": {
    "h": 236.216,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45494,
    "c": 0.16321,
    "h": 274.9
  },
  "luminance": 0.08692
}

Semantic roles & 50–950 ramp

primary

#4047AF

secondary

#C3BF88

accent

#CE52D6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #4047AF

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

Preview Lab → · Contrast checker → · Palette generator →