#404CC3#404CC3

#404CC3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.1% C 0.184 H 272.9°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#404CC3
RGB	rgb(64, 76, 195)
HSL	hsl(235, 52%, 51%)
HSV	hsv(235, 67%, 76%)
CMYK	cmyk(67.2%, 61%, 0%, 23.5%)
CIE-LAB	lab(38.19, 33.85, -63.71)
CIE-LCH	lch(38.19, 72.14, 297.98°)
OKLab	oklab(48.07% 0.0094 -0.1837)
OKLCH	oklch(48.07% 0.184 272.9)
XYZ	xyz(14.5458, 10.1977, 52.8210)
Luminance	0.1020 (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

#404CC3 #C3B740

analogous

#408DC3 #404CC3 #7540C3

triadic

#404CC3 #C3404C #4CC340

tetradic

#404CC3 #C3408D #C3B740 #40C375

square

#404CC3 #C3408D #C3B740 #40C375

split-complementary

#404CC3 #C37540 #8DC340

monochromatic

#212768 #2F3997 #404CC3 #6F78D2 #9DA3E0

Accessibility & contrast

On white

6.91

#404CC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#404CC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CC3

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CC3	#FFFFFF	#000000	##FFFFFF
##404CC3	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C7

Deuteranopia (green-blind)

#0054C1

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404cc3;
/* rgb */ color: rgb(64, 76, 195);
/* oklch */ color: oklch(48.1% 0.184 272.9);

Tailwind

colors: {
  custom: {
    50: '#847ed6',
    500: '#404cc3',
    950: '#000000',
  },
}

SCSS

$custom: #404cc3;
$custom-light: #847ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#404cc3",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 195
  },
  "hsl": {
    "h": 234.504,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48067,
    "c": 0.18392,
    "h": 272.9
  },
  "luminance": 0.10199
}

Semantic roles & 50–950 ramp

primary

#404CC3

secondary

#CCC792

accent

#CE4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404CC3

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

Preview Lab → · Contrast checker → · Palette generator →