#4047C1#4047C1

#4047C1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.0% C 0.187 H 274.1°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#4047C1
RGB	rgb(64, 71, 193)
HSL	hsl(237, 51%, 50%)
HSV	hsv(237, 67%, 76%)
CMYK	cmyk(66.8%, 63.2%, 0%, 24.3%)
CIE-LAB	lab(36.83, 36.29, -64.77)
CIE-LCH	lch(36.83, 74.24, 299.26°)
OKLab	oklab(47.01% 0.0134 -0.1868)
OKLCH	oklch(47.01% 0.187 274.1)
XYZ	xyz(13.9900, 9.4455, 51.5276)
Luminance	0.0945 (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

#4047C1 #C1BA40

analogous

#4088C1 #4047C1 #7940C1

triadic

#4047C1 #C14047 #47C140

tetradic

#4047C1 #C14088 #C1BA40 #40C179

square

#4047C1 #C14088 #C1BA40 #40C179

split-complementary

#4047C1 #C17940 #88C140

monochromatic

#212566 #303594 #4047C1 #6E74D0 #9CA0DF

Accessibility & contrast

On white

7.27

#4047C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#4047C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047C1

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047C1	#FFFFFF	#000000	##FFFFFF
##4047C1	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC5

Deuteranopia (green-blind)

#0051BF

Tritanopia (blue-blind)

#00667D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4047c1;
/* rgb */ color: rgb(64, 71, 193);
/* oklch */ color: oklch(47.0% 0.187 274.1);

Tailwind

colors: {
  custom: {
    50: '#847ad5',
    500: '#4047c1',
    950: '#000000',
  },
}

SCSS

$custom: #4047c1;
$custom-light: #847ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#4047c1",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 193
  },
  "hsl": {
    "h": 236.744,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.47011,
    "c": 0.18732,
    "h": 274.1
  },
  "luminance": 0.09447
}

Semantic roles & 50–950 ramp

primary

#4047C1

secondary

#CBC892

accent

#D34DDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4047C1

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

Preview Lab → · Contrast checker → · Palette generator →