#4047C5#4047C5

#4047C5 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.4% C 0.193 H 273.9°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#4047C5
RGB	rgb(64, 71, 197)
HSL	hsl(237, 53%, 51%)
HSV	hsv(237, 68%, 77%)
CMYK	cmyk(67.5%, 64%, 0%, 22.7%)
CIE-LAB	lab(37.16, 37.66, -66.56)
CIE-LCH	lch(37.16, 76.47, 299.50°)
OKLab	oklab(47.36% 0.0131 -0.1921)
OKLCH	oklch(47.36% 0.193 273.9)
XYZ	xyz(14.4423, 9.6264, 53.9095)
Luminance	0.0963 (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

#4047C5 #C5BE40

analogous

#4089C5 #4047C5 #7B40C5

triadic

#4047C5 #C54047 #47C540

tetradic

#4047C5 #C54089 #C5BE40 #40C57B

square

#4047C5 #C54089 #C5BE40 #40C57B

split-complementary

#4047C5 #C57B40 #89C540

monochromatic

#20246A #2F3499 #4047C5 #6F74D3 #9EA1E2

Accessibility & contrast

On white

7.18

#4047C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#4047C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047C5

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047C5	#FFFFFF	#000000	##FFFFFF
##4047C5	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC9

Deuteranopia (green-blind)

#0051C3

Tritanopia (blue-blind)

#00687F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4047c5;
/* rgb */ color: rgb(64, 71, 197);
/* oklch */ color: oklch(47.4% 0.193 273.9);

Tailwind

colors: {
  custom: {
    50: '#857ad8',
    500: '#4047c5',
    950: '#000000',
  },
}

SCSS

$custom: #4047c5;
$custom-light: #857ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#4047c5",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 197
  },
  "hsl": {
    "h": 236.842,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.4736,
    "c": 0.19253,
    "h": 273.9
  },
  "luminance": 0.09628
}

Semantic roles & 50–950 ramp

primary

#4047C5

secondary

#CECB93

accent

#D54BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #4047C5

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

Preview Lab → · Contrast checker → · Palette generator →