#404DC7#404DC7

#404DC7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.6% C 0.188 H 272.6°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#404DC7
RGB	rgb(64, 77, 199)
HSL	hsl(234, 55%, 52%)
HSV	hsv(234, 68%, 78%)
CMYK	cmyk(67.8%, 61.3%, 0%, 22%)
CIE-LAB	lab(38.76, 34.61, -65.12)
CIE-LCH	lch(38.76, 73.74, 297.99°)
OKLab	oklab(48.58% 0.0085 -0.1878)
OKLCH	oklch(48.58% 0.188 272.6)
XYZ	xyz(15.0736, 10.5199, 55.2579)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DC7 #C7BA40

analogous

#4091C7 #404DC7 #7740C7

triadic

#404DC7 #C7404D #4DC740

tetradic

#404DC7 #C74091 #C7BA40 #40C777

square

#404DC7 #C74091 #C7BA40 #40C777

split-complementary

#404DC7 #C77740 #91C740

monochromatic

#20276D #2E389C #404DC7 #6F79D5 #9FA5E3

Accessibility & contrast

On white

6.77

#404DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#404DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404DC7

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DC7	#FFFFFF	#000000	##FFFFFF
##404DC7	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CB

Deuteranopia (green-blind)

#0055C5

Tritanopia (blue-blind)

#006C83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404dc7;
/* rgb */ color: rgb(64, 77, 199);
/* oklch */ color: oklch(48.6% 0.188 272.6);

Tailwind

colors: {
  custom: {
    50: '#857fd9',
    500: '#404dc7',
    950: '#000000',
  },
}

SCSS

$custom: #404dc7;
$custom-light: #857fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#404dc7",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 199
  },
  "hsl": {
    "h": 234.222,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48584,
    "c": 0.18799,
    "h": 272.6
  },
  "luminance": 0.10521
}

Semantic roles & 50–950 ramp

primary

#404DC7

secondary

#CFC994

accent

#D04ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404DC7

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

Preview Lab → · Contrast checker → · Palette generator →