#404CC4#404CC4

#404CC4 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.2% C 0.185 H 272.9°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#404CC4
RGB	rgb(64, 76, 196)
HSL	hsl(235, 53%, 51%)
HSV	hsv(235, 67%, 77%)
CMYK	cmyk(67.3%, 61.2%, 0%, 23.1%)
CIE-LAB	lab(38.28, 34.20, -64.16)
CIE-LCH	lch(38.28, 72.71, 298.06°)
OKLab	oklab(48.15% 0.0093 -0.185)
OKLCH	oklch(48.15% 0.185 272.9)
XYZ	xyz(14.6593, 10.2430, 53.4184)
Luminance	0.1024 (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

#404CC4 #C4B840

analogous

#408EC4 #404CC4 #7640C4

triadic

#404CC4 #C4404C #4CC440

tetradic

#404CC4 #C4408E #C4B840 #40C476

square

#404CC4 #C4408E #C4B840 #40C476

split-complementary

#404CC4 #C47640 #8EC440

monochromatic

#202769 #2F3898 #404CC4 #6F78D2 #9EA4E1

Accessibility & contrast

On white

6.89

#404CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#404CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CC4

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CC4	#FFFFFF	#000000	##FFFFFF
##404CC4	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C8

Deuteranopia (green-blind)

#0054C2

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404cc4;
/* rgb */ color: rgb(64, 76, 196);
/* oklch */ color: oklch(48.2% 0.185 272.9);

Tailwind

colors: {
  custom: {
    50: '#857ed7',
    500: '#404cc4',
    950: '#000000',
  },
}

SCSS

$custom: #404cc4;
$custom-light: #857ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#404cc4",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 196
  },
  "hsl": {
    "h": 234.545,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48151,
    "c": 0.18525,
    "h": 272.9
  },
  "luminance": 0.10244
}

Semantic roles & 50–950 ramp

primary

#404CC4

secondary

#CDC893

accent

#CF4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404CC4

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

Preview Lab → · Contrast checker → · Palette generator →