#4047AA#4047AA

#4047AA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.1% C 0.156 H 275.1°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#4047AA
RGB	rgb(64, 71, 170)
HSL	hsl(236, 45%, 46%)
HSV	hsv(236, 62%, 67%)
CMYK	cmyk(62.4%, 58.2%, 0%, 33.3%)
CIE-LAB	lab(35.00, 28.34, -54.17)
CIE-LCH	lch(35.00, 61.13, 297.62°)
OKLab	oklab(45.09% 0.014 -0.1557)
OKLCH	oklch(45.09% 0.156 275.1)
XYZ	xyz(11.6209, 8.4978, 39.0503)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4047AA #AAA340

analogous

#407CAA #4047AA #6E40AA

triadic

#4047AA #AA4047 #47AA40

tetradic

#4047AA #AA407C #AAA340 #40AA6E

square

#4047AA #AA407C #AAA340 #40AA6E

split-complementary

#4047AA #AA6E40 #7CAA40

monochromatic

#1F2251 #2F347E #4047AA #6369C4 #8F94D5

Accessibility & contrast

On white

7.78

#4047AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4047AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047AA

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047AA	#FFFFFF	#000000	##FFFFFF
##4047AA	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AD

Deuteranopia (green-blind)

#004EA8

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4047aa;
/* rgb */ color: rgb(64, 71, 170);
/* oklch */ color: oklch(45.1% 0.156 275.1);

Tailwind

colors: {
  custom: {
    50: '#807ac4',
    500: '#4047aa',
    950: '#000000',
  },
}

SCSS

$custom: #4047aa;
$custom-light: #807ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#4047aa",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 170
  },
  "hsl": {
    "h": 236.038,
    "s": 45.299,
    "l": 45.882
  },
  "oklch": {
    "l": 0.45089,
    "c": 0.15631,
    "h": 275.1
  },
  "luminance": 0.08499
}

Semantic roles & 50–950 ramp

primary

#4047AA

secondary

#C0BC86

accent

#CC53D5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #4047AA

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

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