#404EC6#404EC6

#404EC6 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.7% C 0.185 H 272.4°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#404EC6
RGB	rgb(64, 78, 198)
HSL	hsl(234, 54%, 51%)
HSV	hsv(234, 68%, 78%)
CMYK	cmyk(67.7%, 60.6%, 0%, 22.4%)
CIE-LAB	lab(38.92, 33.63, -64.27)
CIE-LCH	lch(38.92, 72.54, 297.62°)
OKLab	oklab(48.68% 0.0077 -0.1853)
OKLCH	oklch(48.68% 0.185 272.4)
XYZ	xyz(15.0284, 10.6146, 54.6720)
Luminance	0.1062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EC6 #C6B840

analogous

#4091C6 #404EC6 #7540C6

triadic

#404EC6 #C6404E #4EC640

tetradic

#404EC6 #C64091 #C6B840 #40C675

square

#404EC6 #C64091 #C6B840 #40C675

split-complementary

#404EC6 #C67540 #91C640

monochromatic

#20286C #2E399B #404EC6 #6F7AD4 #9EA5E2

Accessibility & contrast

On white

6.72

#404EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#404EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404EC6

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EC6	#FFFFFF	#000000	##FFFFFF
##404EC6	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CA

Deuteranopia (green-blind)

#0056C4

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #404ec6;
/* rgb */ color: rgb(64, 78, 198);
/* oklch */ color: oklch(48.7% 0.185 272.4);

Tailwind

colors: {
  custom: {
    50: '#857fd8',
    500: '#404ec6',
    950: '#000000',
  },
}

SCSS

$custom: #404ec6;
$custom-light: #857fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#404ec6",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 198
  },
  "hsl": {
    "h": 233.731,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.4868,
    "c": 0.18546,
    "h": 272.4
  },
  "luminance": 0.10616
}

Semantic roles & 50–950 ramp

primary

#404EC6

secondary

#CEC893

accent

#CE4ADD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404EC6

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

Preview Lab → · Contrast checker → · Palette generator →