#404AC4#404AC4

#404AC4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.8% C 0.188 H 273.3°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#404AC4
RGB	rgb(64, 74, 196)
HSL	hsl(235, 53%, 51%)
HSV	hsv(235, 67%, 77%)
CMYK	cmyk(67.3%, 62.2%, 0%, 23.1%)
CIE-LAB	lab(37.79, 35.45, -64.95)
CIE-LCH	lch(37.79, 74.00, 298.63°)
OKLab	oklab(47.8% 0.0109 -0.1873)
OKLCH	oklch(47.8% 0.188 273.3)
XYZ	xyz(14.5236, 9.9717, 53.3732)
Luminance	0.0997 (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

#404AC4 #C4BA40

analogous

#408CC4 #404AC4 #7840C4

triadic

#404AC4 #C4404A #4AC440

tetradic

#404AC4 #C4408C #C4BA40 #40C478

square

#404AC4 #C4408C #C4BA40 #40C478

split-complementary

#404AC4 #C47840 #8CC440

monochromatic

#202669 #2F3798 #404AC4 #6F76D2 #9EA3E1

Accessibility & contrast

On white

7.01

#404AC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#404AC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AC4

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AC4	#FFFFFF	#000000	##FFFFFF
##404AC4	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC8

Deuteranopia (green-blind)

#0053C2

Tritanopia (blue-blind)

#006980

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404ac4;
/* rgb */ color: rgb(64, 74, 196);
/* oklch */ color: oklch(47.8% 0.188 273.3);

Tailwind

colors: {
  custom: {
    50: '#857cd7',
    500: '#404ac4',
    950: '#000000',
  },
}

SCSS

$custom: #404ac4;
$custom-light: #857cd7;
$custom-dark: #000000;

JSON

{
  "hex": "#404ac4",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 196
  },
  "hsl": {
    "h": 235.455,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.47795,
    "c": 0.18766,
    "h": 273.3
  },
  "luminance": 0.09973
}

Semantic roles & 50–950 ramp

primary

#404AC4

secondary

#CDC993

accent

#D14CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #404AC4

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

Preview Lab → · Contrast checker → · Palette generator →