#404AC3#404AC3

#404AC3 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.7% C 0.186 H 273.4°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#404AC3
RGB	rgb(64, 74, 195)
HSL	hsl(235, 52%, 51%)
HSV	hsv(235, 67%, 76%)
CMYK	cmyk(67.2%, 62.1%, 0%, 23.5%)
CIE-LAB	lab(37.71, 35.10, -64.50)
CIE-LCH	lch(37.71, 73.43, 298.56°)
OKLab	oklab(47.71% 0.0109 -0.186)
OKLCH	oklch(47.71% 0.186 273.4)
XYZ	xyz(14.4102, 9.9264, 52.7757)
Luminance	0.0993 (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

#404AC3 #C3B940

analogous

#408BC3 #404AC3 #7740C3

triadic

#404AC3 #C3404A #4AC340

tetradic

#404AC3 #C3408B #C3B940 #40C377

square

#404AC3 #C3408B #C3B940 #40C377

split-complementary

#404AC3 #C37740 #8BC340

monochromatic

#212668 #2F3797 #404AC3 #6F76D2 #9DA2E0

Accessibility & contrast

On white

7.03

#404AC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#404AC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AC3

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AC3	#FFFFFF	#000000	##FFFFFF
##404AC3	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC7

Deuteranopia (green-blind)

#0053C1

Tritanopia (blue-blind)

#00697F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404ac3;
/* rgb */ color: rgb(64, 74, 195);
/* oklch */ color: oklch(47.7% 0.186 273.4);

Tailwind

colors: {
  custom: {
    50: '#857cd6',
    500: '#404ac3',
    950: '#000000',
  },
}

SCSS

$custom: #404ac3;
$custom-light: #857cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#404ac3",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 195
  },
  "hsl": {
    "h": 235.42,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4771,
    "c": 0.18634,
    "h": 273.4
  },
  "luminance": 0.09928
}

Semantic roles & 50–950 ramp

primary

#404AC3

secondary

#CCC892

accent

#D14CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #404AC3

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

Preview Lab → · Contrast checker → · Palette generator →