#404BBD#404BBD

#404BBD is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.4% C 0.177 H 273.3°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#404BBD
RGB	rgb(64, 75, 189)
HSL	hsl(235, 49%, 50%)
HSV	hsv(235, 66%, 74%)
CMYK	cmyk(66.1%, 60.3%, 0%, 25.9%)
CIE-LAB	lab(37.47, 32.39, -61.38)
CIE-LCH	lch(37.47, 69.40, 297.82°)
OKLab	oklab(47.38% 0.0103 -0.1768)
OKLCH	oklch(47.38% 0.177 273.3)
XYZ	xyz(13.8127, 9.7950, 49.2970)
Luminance	0.0980 (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

#404BBD #BDB240

analogous

#408ABD #404BBD #7440BD

triadic

#404BBD #BD404B #4BBD40

tetradic

#404BBD #BD408A #BDB240 #40BD74

square

#404BBD #BD408A #BDB240 #40BD74

split-complementary

#404BBD #BD7440 #8ABD40

monochromatic

#212762 #31398F #404BBD #6D75CD #9AA0DD

Accessibility & contrast

On white

7.10

#404BBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#404BBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BBD

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BBD	#FFFFFF	#000000	##FFFFFF
##404BBD	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC1

Deuteranopia (green-blind)

#0053BB

Tritanopia (blue-blind)

#00677D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #404bbd;
/* rgb */ color: rgb(64, 75, 189);
/* oklch */ color: oklch(47.4% 0.177 273.3);

Tailwind

colors: {
  custom: {
    50: '#837dd2',
    500: '#404bbd',
    950: '#000000',
  },
}

SCSS

$custom: #404bbd;
$custom-light: #837dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#404bbd",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 189
  },
  "hsl": {
    "h": 234.72,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.47384,
    "c": 0.17715,
    "h": 273.3
  },
  "luminance": 0.09796
}

Semantic roles & 50–950 ramp

primary

#404BBD

secondary

#C9C490

accent

#CD4FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #404BBD

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

Preview Lab → · Contrast checker → · Palette generator →