#404BCC#404BCC

#404BCC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.7% C 0.197 H 272.8°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#404BCC
RGB	rgb(64, 75, 204)
HSL	hsl(235, 58%, 53%)
HSV	hsv(235, 69%, 80%)
CMYK	cmyk(68.6%, 63.2%, 0%, 20%)
CIE-LAB	lab(38.69, 37.59, -68.13)
CIE-LCH	lch(38.69, 77.81, 298.89°)
OKLab	oklab(48.66% 0.0098 -0.1966)
OKLCH	oklch(48.66% 0.197 272.8)
XYZ	xyz(15.5259, 10.4803, 58.3197)
Luminance	0.1048 (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

#404BCC #CCC140

analogous

#4091CC #404BCC #7B40CC

triadic

#404BCC #CC404B #4BCC40

tetradic

#404BCC #CC4091 #CCC140 #40CC7B

square

#404BCC #CC4091 #CCC140 #40CC7B

split-complementary

#404BCC #CC7B40 #91CC40

monochromatic

#1F2573 #2C35A3 #404BCC #7079D9 #A1A6E6

Accessibility & contrast

On white

6.78

#404BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#404BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404BCC

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BCC	#FFFFFF	#000000	##FFFFFF
##404BCC	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D0

Deuteranopia (green-blind)

#0055CA

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404bcc;
/* rgb */ color: rgb(64, 75, 204);
/* oklch */ color: oklch(48.7% 0.197 272.8);

Tailwind

colors: {
  custom: {
    50: '#867ddd',
    500: '#404bcc',
    950: '#000000',
  },
}

SCSS

$custom: #404bcc;
$custom-light: #867ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#404bcc",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 204
  },
  "hsl": {
    "h": 235.286,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48661,
    "c": 0.19689,
    "h": 272.8
  },
  "luminance": 0.10482
}

Semantic roles & 50–950 ramp

primary

#404BCC

secondary

#D2CE95

accent

#D547E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #404BCC

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

Preview Lab → · Contrast checker → · Palette generator →