#404BBF#404BBF

#404BBF is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.6% C 0.180 H 273.3°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#404BBF
RGB	rgb(64, 75, 191)
HSL	hsl(235, 50%, 50%)
HSV	hsv(235, 66%, 75%)
CMYK	cmyk(66.5%, 60.7%, 0%, 25.1%)
CIE-LAB	lab(37.63, 33.09, -62.29)
CIE-LCH	lch(37.63, 70.54, 297.98°)
OKLab	oklab(47.55% 0.0103 -0.1795)
OKLCH	oklch(47.55% 0.18 273.3)
XYZ	xyz(14.0313, 9.8825, 50.4482)
Luminance	0.0988 (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

#404BBF #BFB440

analogous

#408BBF #404BBF #7440BF

triadic

#404BBF #BF404B #4BBF40

tetradic

#404BBF #BF408B #BFB440 #40BF74

square

#404BBF #BF408B #BFB440 #40BF74

split-complementary

#404BBF #BF7440 #8BBF40

monochromatic

#212763 #313991 #404BBF #6E76CE #9CA1DE

Accessibility & contrast

On white

7.05

#404BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#404BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BBF

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BBF	#FFFFFF	#000000	##FFFFFF
##404BBF	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC3

Deuteranopia (green-blind)

#0053BD

Tritanopia (blue-blind)

#00687E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404bbf;
/* rgb */ color: rgb(64, 75, 191);
/* oklch */ color: oklch(47.6% 0.180 273.3);

Tailwind

colors: {
  custom: {
    50: '#847dd3',
    500: '#404bbf',
    950: '#000000',
  },
}

SCSS

$custom: #404bbf;
$custom-light: #847dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#404bbf",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 191
  },
  "hsl": {
    "h": 234.803,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.47551,
    "c": 0.17982,
    "h": 273.3
  },
  "luminance": 0.09884
}

Semantic roles & 50–950 ramp

primary

#404BBF

secondary

#CAC591

accent

#CD4ED9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #404BBF

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

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