#404BBC#404BBC

#404BBC is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.3% C 0.176 H 273.4°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#404BBC
RGB	rgb(64, 75, 188)
HSL	hsl(235, 49%, 49%)
HSV	hsv(235, 66%, 74%)
CMYK	cmyk(66%, 60.1%, 0%, 26.3%)
CIE-LAB	lab(37.39, 32.04, -60.92)
CIE-LCH	lch(37.39, 68.84, 297.74°)
OKLab	oklab(47.3% 0.0104 -0.1755)
OKLCH	oklch(47.3% 0.176 273.4)
XYZ	xyz(13.7045, 9.7518, 48.7273)
Luminance	0.0975 (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

#404BBC #BCB140

analogous

#4089BC #404BBC #7340BC

triadic

#404BBC #BC404B #4BBC40

tetradic

#404BBC #BC4089 #BCB140 #40BC73

square

#404BBC #BC4089 #BCB140 #40BC73

split-complementary

#404BBC #BC7340 #89BC40

monochromatic

#212761 #30398E #404BBC #6C75CD #9AA0DD

Accessibility & contrast

On white

7.12

#404BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#404BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BBC

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BBC	#FFFFFF	#000000	##FFFFFF
##404BBC	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #404bbc;
/* rgb */ color: rgb(64, 75, 188);
/* oklch */ color: oklch(47.3% 0.176 273.4);

Tailwind

colors: {
  custom: {
    50: '#837dd1',
    500: '#404bbc',
    950: '#000000',
  },
}

SCSS

$custom: #404bbc;
$custom-light: #837dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#404bbc",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 188
  },
  "hsl": {
    "h": 234.677,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47301,
    "c": 0.1758,
    "h": 273.4
  },
  "luminance": 0.09753
}

Semantic roles & 50–950 ramp

primary

#404BBC

secondary

#C9C38F

accent

#CD4FD9

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #404BBC

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

Preview Lab → · Contrast checker → · Palette generator →