#404BC4#404BC4

#404BC4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 48.0% C 0.186 H 273.1°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#404BC4
RGB	rgb(64, 75, 196)
HSL	hsl(235, 53%, 51%)
HSV	hsv(235, 67%, 77%)
CMYK	cmyk(67.3%, 61.7%, 0%, 23.1%)
CIE-LAB	lab(38.03, 34.82, -64.56)
CIE-LCH	lch(38.03, 73.35, 298.34°)
OKLab	oklab(47.97% 0.0101 -0.1862)
OKLCH	oklch(47.97% 0.186 273.1)
XYZ	xyz(14.5909, 10.1063, 53.3956)
Luminance	0.1011 (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

#404BC4 #C4B940

analogous

#408DC4 #404BC4 #7740C4

triadic

#404BC4 #C4404B #4BC440

tetradic

#404BC4 #C4408D #C4B940 #40C477

square

#404BC4 #C4408D #C4B940 #40C477

split-complementary

#404BC4 #C47740 #8DC440

monochromatic

#202769 #2F3898 #404BC4 #6F77D2 #9EA3E1

Accessibility & contrast

On white

6.95

#404BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#404BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404BC4

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BC4	#FFFFFF	#000000	##FFFFFF
##404BC4	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C8

Deuteranopia (green-blind)

#0054C2

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404bc4;
/* rgb */ color: rgb(64, 75, 196);
/* oklch */ color: oklch(48.0% 0.186 273.1);

Tailwind

colors: {
  custom: {
    50: '#857dd7',
    500: '#404bc4',
    950: '#000000',
  },
}

SCSS

$custom: #404bc4;
$custom-light: #857dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#404bc4",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 196
  },
  "hsl": {
    "h": 235,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.47973,
    "c": 0.18645,
    "h": 273.1
  },
  "luminance": 0.10108
}

Semantic roles & 50–950 ramp

primary

#404BC4

secondary

#CDC893

accent

#D04CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #404BC4

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

Preview Lab → · Contrast checker → · Palette generator →