#404DC5#404DC5

#404DC5 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.4% C 0.185 H 272.6°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#404DC5
RGB	rgb(64, 77, 197)
HSL	hsl(234, 53%, 51%)
HSV	hsv(234, 68%, 77%)
CMYK	cmyk(67.5%, 60.9%, 0%, 22.7%)
CIE-LAB	lab(38.60, 33.91, -64.22)
CIE-LCH	lch(38.60, 72.62, 297.84°)
OKLab	oklab(48.42% 0.0085 -0.1851)
OKLCH	oklch(48.42% 0.185 272.6)
XYZ	xyz(14.8429, 10.4276, 54.0430)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DC5 #C5B840

analogous

#408FC5 #404DC5 #7540C5

triadic

#404DC5 #C5404D #4DC540

tetradic

#404DC5 #C5408F #C5B840 #40C575

square

#404DC5 #C5408F #C5B840 #40C575

split-complementary

#404DC5 #C57540 #8FC540

monochromatic

#20286A #2F3999 #404DC5 #6F79D3 #9EA4E2

Accessibility & contrast

On white

6.81

#404DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#404DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404DC5

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DC5	#FFFFFF	#000000	##FFFFFF
##404DC5	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C9

Deuteranopia (green-blind)

#0055C3

Tritanopia (blue-blind)

#006B81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404dc5;
/* rgb */ color: rgb(64, 77, 197);
/* oklch */ color: oklch(48.4% 0.185 272.6);

Tailwind

colors: {
  custom: {
    50: '#857ed7',
    500: '#404dc5',
    950: '#000000',
  },
}

SCSS

$custom: #404dc5;
$custom-light: #857ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#404dc5",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 197
  },
  "hsl": {
    "h": 234.135,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48416,
    "c": 0.18535,
    "h": 272.6
  },
  "luminance": 0.10429
}

Semantic roles & 50–950 ramp

primary

#404DC5

secondary

#CEC893

accent

#CF4BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404DC5

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

Preview Lab → · Contrast checker → · Palette generator →