#4047F9#4047F9

#4047F9 is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 52.2% C 0.256 H 271.6°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4047F9
RGB	rgb(64, 71, 249)
HSL	hsl(238, 94%, 61%)
HSV	hsv(238, 74%, 98%)
CMYK	cmyk(74.3%, 71.5%, 0%, 2.4%)
CIE-LAB	lab(41.90, 54.91, -88.48)
CIE-LCH	lch(41.90, 104.13, 301.82°)
OKLab	oklab(52.22% 0.0073 -0.2561)
OKLCH	oklch(52.22% 0.256 271.6)
XYZ	xyz(21.4607, 12.4337, 90.8731)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4047F9 #F9F240

analogous

#40A4F9 #4047F9 #9640F9

triadic

#4047F9 #F94047 #47F940

tetradic

#4047F9 #F940A4 #F9F240 #40F996

square

#4047F9 #F940A4 #F9F240 #40F996

split-complementary

#4047F9 #F99640 #A4F940

monochromatic

#060DB9 #0811F4 #4047F9 #7B80FB #B7B9FD

Accessibility & contrast

On white

6.02

#4047F9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4047F9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4047F9

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047F9	#FFFFFF	#000000	##FFFFFF
##4047F9	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CFE

Deuteranopia (green-blind)

#005AF6

Tritanopia (blue-blind)

#007A9C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4047f9;
/* rgb */ color: rgb(64, 71, 249);
/* oklch */ color: oklch(52.2% 0.256 271.6);

Tailwind

colors: {
  custom: {
    50: '#907cfd',
    500: '#4047f9',
    950: '#000000',
  },
}

SCSS

$custom: #4047f9;
$custom-light: #907cfd;
$custom-dark: #000000;

JSON

{
  "hex": "#4047f9",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 249
  },
  "hsl": {
    "h": 237.73,
    "s": 93.909,
    "l": 61.373
  },
  "oklch": {
    "l": 0.52215,
    "c": 0.25622,
    "h": 271.6
  },
  "luminance": 0.12436
}

Semantic roles & 50–950 ramp

primary

#4047F9

secondary

#EDEAA8

accent

#DD00E6

background

#FAF7FF

surface

#F3EEFF

border

#CDC9D7

text

#0F0918

muted

#7F7B86

Preview Lab

Preview with #4047F9

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

Preview Lab → · Contrast checker → · Palette generator →