#404EC5#404EC5

#404EC5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.6% C 0.184 H 272.4°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#404EC5
RGB	rgb(64, 78, 197)
HSL	hsl(234, 53%, 51%)
HSV	hsv(234, 68%, 77%)
CMYK	cmyk(67.5%, 60.4%, 0%, 22.7%)
CIE-LAB	lab(38.84, 33.28, -63.82)
CIE-LCH	lch(38.84, 71.97, 297.54°)
OKLab	oklab(48.6% 0.0077 -0.184)
OKLCH	oklch(48.6% 0.184 272.4)
XYZ	xyz(14.9134, 10.5686, 54.0665)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EC5 #C5B740

analogous

#4090C5 #404EC5 #7440C5

triadic

#404EC5 #C5404E #4EC540

tetradic

#404EC5 #C54090 #C5B740 #40C574

square

#404EC5 #C54090 #C5B740 #40C574

split-complementary

#404EC5 #C57440 #90C540

monochromatic

#20286A #2F3A99 #404EC5 #6F7AD3 #9EA5E2

Accessibility & contrast

On white

6.74

#404EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#404EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404EC5

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EC5	#FFFFFF	#000000	##FFFFFF
##404EC5	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C9

Deuteranopia (green-blind)

#0056C3

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404ec5;
/* rgb */ color: rgb(64, 78, 197);
/* oklch */ color: oklch(48.6% 0.184 272.4);

Tailwind

colors: {
  custom: {
    50: '#857fd7',
    500: '#404ec5',
    950: '#000000',
  },
}

SCSS

$custom: #404ec5;
$custom-light: #857fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#404ec5",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 197
  },
  "hsl": {
    "h": 233.684,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48597,
    "c": 0.18413,
    "h": 272.4
  },
  "luminance": 0.1057
}

Semantic roles & 50–950 ramp

primary

#404EC5

secondary

#CEC893

accent

#CD4BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404EC5

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

Preview Lab → · Contrast checker → · Palette generator →