#4047C6#4047C6

#4047C6 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.4% C 0.194 H 273.9°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#4047C6
RGB	rgb(64, 71, 198)
HSL	hsl(237, 54%, 51%)
HSV	hsv(237, 68%, 78%)
CMYK	cmyk(67.7%, 64.1%, 0%, 22.4%)
CIE-LAB	lab(37.25, 38.00, -67.00)
CIE-LCH	lch(37.25, 77.03, 299.56°)
OKLab	oklab(47.45% 0.0131 -0.1934)
OKLCH	oklch(47.45% 0.194 273.9)
XYZ	xyz(14.5572, 9.6723, 54.5149)
Luminance	0.0967 (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

#4047C6 #C6BF40

analogous

#408AC6 #4047C6 #7C40C6

triadic

#4047C6 #C64047 #47C640

tetradic

#4047C6 #C6408A #C6BF40 #40C67C

square

#4047C6 #C6408A #C6BF40 #40C67C

split-complementary

#4047C6 #C67C40 #8AC640

monochromatic

#20246C #2E349B #4047C6 #6F74D4 #9EA2E2

Accessibility & contrast

On white

7.16

#4047C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#4047C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047C6

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047C6	#FFFFFF	#000000	##FFFFFF
##4047C6	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECA

Deuteranopia (green-blind)

#0052C4

Tritanopia (blue-blind)

#006880

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4047c6;
/* rgb */ color: rgb(64, 71, 198);
/* oklch */ color: oklch(47.4% 0.194 273.9);

Tailwind

colors: {
  custom: {
    50: '#857ad8',
    500: '#4047c6',
    950: '#000000',
  },
}

SCSS

$custom: #4047c6;
$custom-light: #857ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#4047c6",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 198
  },
  "hsl": {
    "h": 236.866,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.47448,
    "c": 0.19382,
    "h": 273.9
  },
  "luminance": 0.09674
}

Semantic roles & 50–950 ramp

primary

#4047C6

secondary

#CECB93

accent

#D64ADD

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #4047C6

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

Preview Lab → · Contrast checker → · Palette generator →