#4047D7#4047D7

#4047D7 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.0% C 0.215 H 273.1°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#4047D7
RGB	rgb(64, 71, 215)
HSL	hsl(237, 65%, 55%)
HSV	hsv(237, 70%, 84%)
CMYK	cmyk(70.2%, 67%, 0%, 15.7%)
CIE-LAB	lab(38.73, 43.76, -74.41)
CIE-LCH	lch(38.73, 86.32, 300.46°)
OKLab	oklab(48.98% 0.0116 -0.2151)
OKLCH	oklch(48.98% 0.215 273.1)
XYZ	xyz(16.6292, 10.5011, 65.4274)
Luminance	0.1050 (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

#4047D7 #D7D040

analogous

#4092D7 #4047D7 #8540D7

triadic

#4047D7 #D74047 #47D740

tetradic

#4047D7 #D74092 #D7D040 #40D785

square

#4047D7 #D74092 #D7D040 #40D785

split-complementary

#4047D7 #D78540 #92D740

monochromatic

#1B2081 #262CB4 #4047D7 #7378E2 #A5A8EC

Accessibility & contrast

On white

6.77

#4047D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4047D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4047D7

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047D7	#FFFFFF	#000000	##FFFFFF
##4047D7	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DB

Deuteranopia (green-blind)

#0054D4

Tritanopia (blue-blind)

#006E89

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4047d7;
/* rgb */ color: rgb(64, 71, 215);
/* oklch */ color: oklch(49.0% 0.215 273.1);

Tailwind

colors: {
  custom: {
    50: '#897be5',
    500: '#4047d7',
    950: '#000000',
  },
}

SCSS

$custom: #4047d7;
$custom-light: #897be5;
$custom-dark: #000000;

JSON

{
  "hex": "#4047d7",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 215
  },
  "hsl": {
    "h": 237.219,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.48979,
    "c": 0.21539,
    "h": 273.1
  },
  "luminance": 0.10503
}

Semantic roles & 50–950 ramp

primary

#4047D7

secondary

#D9D69A

accent

#E13FE8

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4047D7

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

Preview Lab → · Contrast checker → · Palette generator →