#404BB8#404BB8

#404BB8 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.0% C 0.170 H 273.5°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#404BB8
RGB	rgb(64, 75, 184)
HSL	hsl(235, 48%, 49%)
HSV	hsv(235, 65%, 72%)
CMYK	cmyk(65.2%, 59.2%, 0%, 27.8%)
CIE-LAB	lab(37.08, 30.65, -59.08)
CIE-LCH	lch(37.08, 66.56, 297.42°)
OKLab	oklab(46.97% 0.0104 -0.1701)
OKLCH	oklch(46.97% 0.17 273.5)
XYZ	xyz(13.2793, 9.5817, 46.4878)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BB8 #B8AD40

analogous

#4087B8 #404BB8 #7140B8

triadic

#404BB8 #B8404B #4BB840

tetradic

#404BB8 #B84087 #B8AD40 #40B871

square

#404BB8 #B84087 #B8AD40 #40B871

split-complementary

#404BB8 #B87140 #87B840

monochromatic

#20265D #30388B #404BB8 #6A73CB #979EDB

Accessibility & contrast

On white

7.20

#404BB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#404BB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BB8

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BB8	#FFFFFF	#000000	##FFFFFF
##404BB8	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBC

Deuteranopia (green-blind)

#0052B6

Tritanopia (blue-blind)

#00667A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404bb8;
/* rgb */ color: rgb(64, 75, 184);
/* oklch */ color: oklch(47.0% 0.170 273.5);

Tailwind

colors: {
  custom: {
    50: '#827dce',
    500: '#404bb8',
    950: '#000000',
  },
}

SCSS

$custom: #404bb8;
$custom-light: #827dce;
$custom-dark: #000000;

JSON

{
  "hex": "#404bb8",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 184
  },
  "hsl": {
    "h": 234.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46972,
    "c": 0.17041,
    "h": 273.5
  },
  "luminance": 0.09583
}

Semantic roles & 50–950 ramp

primary

#404BB8

secondary

#C7C18D

accent

#CB50D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #404BB8

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

Preview Lab → · Contrast checker → · Palette generator →