#404EC1#404EC1

#404EC1 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.3% C 0.179 H 272.5°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#404EC1
RGB	rgb(64, 78, 193)
HSL	hsl(233, 51%, 50%)
HSV	hsv(233, 67%, 76%)
CMYK	cmyk(66.8%, 59.6%, 0%, 24.3%)
CIE-LAB	lab(38.53, 31.89, -62.00)
CIE-LCH	lch(38.53, 69.72, 297.22°)
OKLab	oklab(48.27% 0.0078 -0.1786)
OKLCH	oklch(48.27% 0.179 272.5)
XYZ	xyz(14.4612, 10.3877, 51.6847)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EC1 #C1B340

analogous

#408FC1 #404EC1 #7240C1

triadic

#404EC1 #C1404E #4EC140

tetradic

#404EC1 #C1408F #C1B340 #40C172

square

#404EC1 #C1408F #C1B340 #40C172

split-complementary

#404EC1 #C17240 #8FC140

monochromatic

#212866 #303B94 #404EC1 #6E79D0 #9CA4DF

Accessibility & contrast

On white

6.82

#404EC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#404EC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404EC1

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EC1	#FFFFFF	#000000	##FFFFFF
##404EC1	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C5

Deuteranopia (green-blind)

#0055BF

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404ec1;
/* rgb */ color: rgb(64, 78, 193);
/* oklch */ color: oklch(48.3% 0.179 272.5);

Tailwind

colors: {
  custom: {
    50: '#847fd5',
    500: '#404ec1',
    950: '#000000',
  },
}

SCSS

$custom: #404ec1;
$custom-light: #847fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#404ec1",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 193
  },
  "hsl": {
    "h": 233.488,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48265,
    "c": 0.1788,
    "h": 272.5
  },
  "luminance": 0.10389
}

Semantic roles & 50–950 ramp

primary

#404EC1

secondary

#CBC592

accent

#CB4DDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404EC1

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

Preview Lab → · Contrast checker → · Palette generator →