#404FC8#404FC8

#404FC8 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.0% C 0.187 H 272.1°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#404FC8
RGB	rgb(64, 79, 200)
HSL	hsl(233, 55%, 52%)
HSV	hsv(233, 68%, 78%)
CMYK	cmyk(68%, 60.5%, 0%, 21.6%)
CIE-LAB	lab(39.33, 33.70, -64.77)
CIE-LCH	lch(39.33, 73.01, 297.49°)
OKLab	oklab(49.03% 0.0069 -0.1868)
OKLCH	oklch(49.03% 0.187 272.1)
XYZ	xyz(15.3322, 10.8506, 55.9188)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FC8 #C8B940

analogous

#4093C8 #404FC8 #7540C8

triadic

#404FC8 #C8404F #4FC840

tetradic

#404FC8 #C84093 #C8B940 #40C875

square

#404FC8 #C84093 #C8B940 #40C875

split-complementary

#404FC8 #C87540 #93C840

monochromatic

#20286E #2D3A9D #404FC8 #707BD6 #9FA7E3

Accessibility & contrast

On white

6.62

#404FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#404FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FC8

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FC8	#FFFFFF	#000000	##FFFFFF
##404FC8	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CC

Deuteranopia (green-blind)

#0057C6

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #404fc8;
/* rgb */ color: rgb(64, 79, 200);
/* oklch */ color: oklch(49.0% 0.187 272.1);

Tailwind

colors: {
  custom: {
    50: '#8580da',
    500: '#404fc8',
    950: '#000000',
  },
}

SCSS

$custom: #404fc8;
$custom-light: #8580da;
$custom-dark: #000000;

JSON

{
  "hex": "#404fc8",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 200
  },
  "hsl": {
    "h": 233.382,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49029,
    "c": 0.1869,
    "h": 272.1
  },
  "luminance": 0.10852
}

Semantic roles & 50–950 ramp

primary

#404FC8

secondary

#D0C994

accent

#CE49DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404FC8

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

Preview Lab → · Contrast checker → · Palette generator →