#4047CF#4047CF

#4047CF is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.3% C 0.205 H 273.4°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#4047CF
RGB	rgb(64, 71, 207)
HSL	hsl(237, 60%, 53%)
HSV	hsv(237, 69%, 81%)
CMYK	cmyk(69.1%, 65.7%, 0%, 18.8%)
CIE-LAB	lab(38.02, 41.06, -70.96)
CIE-LCH	lch(38.02, 81.98, 300.06°)
OKLab	oklab(48.25% 0.0123 -0.205)
OKLCH	oklch(48.25% 0.205 273.4)
XYZ	xyz(15.6263, 10.1000, 60.1454)
Luminance	0.1010 (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

#4047CF #CFC840

analogous

#408ECF #4047CF #8040CF

triadic

#4047CF #CF4047 #47CF40

tetradic

#4047CF #CF408E #CFC840 #40CF80

square

#4047CF #CF408E #CFC840 #40CF80

split-complementary

#4047CF #CF8040 #8ECF40

monochromatic

#1E2277 #2A30A8 #4047CF #7176DB #A2A5E8

Accessibility & contrast

On white

6.95

#4047CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4047CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4047CF

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047CF	#FFFFFF	#000000	##FFFFFF
##4047CF	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D3

Deuteranopia (green-blind)

#0053CC

Tritanopia (blue-blind)

#006B85

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4047cf;
/* rgb */ color: rgb(64, 71, 207);
/* oklch */ color: oklch(48.3% 0.205 273.4);

Tailwind

colors: {
  custom: {
    50: '#877adf',
    500: '#4047cf',
    950: '#000000',
  },
}

SCSS

$custom: #4047cf;
$custom-light: #877adf;
$custom-dark: #000000;

JSON

{
  "hex": "#4047cf",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 207
  },
  "hsl": {
    "h": 237.063,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.4825,
    "c": 0.20534,
    "h": 273.4
  },
  "luminance": 0.10101
}

Semantic roles & 50–950 ramp

primary

#4047CF

secondary

#D4D197

accent

#DB45E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4047CF

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

Preview Lab → · Contrast checker → · Palette generator →