#404DC4#404DC4

#404DC4 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.3% C 0.184 H 272.7°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#404DC4
RGB	rgb(64, 77, 196)
HSL	hsl(234, 53%, 51%)
HSV	hsv(234, 67%, 77%)
CMYK	cmyk(67.3%, 60.7%, 0%, 23.1%)
CIE-LAB	lab(38.52, 33.57, -63.76)
CIE-LCH	lch(38.52, 72.06, 297.76°)
OKLab	oklab(48.33% 0.0086 -0.1838)
OKLCH	oklch(48.33% 0.184 272.7)
XYZ	xyz(14.7287, 10.3819, 53.4416)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DC4 #C4B740

analogous

#408FC4 #404DC4 #7540C4

triadic

#404DC4 #C4404D #4DC440

tetradic

#404DC4 #C4408F #C4B740 #40C475

square

#404DC4 #C4408F #C4B740 #40C475

split-complementary

#404DC4 #C47540 #8FC440

monochromatic

#202869 #2F3998 #404DC4 #6F79D2 #9EA4E1

Accessibility & contrast

On white

6.83

#404DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#404DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404DC4

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DC4	#FFFFFF	#000000	##FFFFFF
##404DC4	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C8

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#006B81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404dc4;
/* rgb */ color: rgb(64, 77, 196);
/* oklch */ color: oklch(48.3% 0.184 272.7);

Tailwind

colors: {
  custom: {
    50: '#857ed7',
    500: '#404dc4',
    950: '#000000',
  },
}

SCSS

$custom: #404dc4;
$custom-light: #857ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#404dc4",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 196
  },
  "hsl": {
    "h": 234.091,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48332,
    "c": 0.18403,
    "h": 272.7
  },
  "luminance": 0.10383
}

Semantic roles & 50–950 ramp

primary

#404DC4

secondary

#CDC793

accent

#CE4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404DC4

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

Preview Lab → · Contrast checker → · Palette generator →