#404BBA#404BBA

#404BBA is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.1% C 0.173 H 273.4°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#404BBA
RGB	rgb(64, 75, 186)
HSL	hsl(235, 49%, 49%)
HSV	hsv(235, 66%, 73%)
CMYK	cmyk(65.6%, 59.7%, 0%, 27.1%)
CIE-LAB	lab(37.24, 31.35, -60.00)
CIE-LCH	lch(37.24, 67.70, 297.58°)
OKLab	oklab(47.14% 0.0104 -0.1728)
OKLCH	oklch(47.14% 0.173 273.4)
XYZ	xyz(13.4904, 9.6661, 47.5997)
Luminance	0.0967 (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

#404BBA #BAAF40

analogous

#4088BA #404BBA #7240BA

triadic

#404BBA #BA404B #4BBA40

tetradic

#404BBA #BA4088 #BAAF40 #40BA72

square

#404BBA #BA4088 #BAAF40 #40BA72

split-complementary

#404BBA #BA7240 #88BA40

monochromatic

#21265F #30398C #404BBA #6B74CC #999FDC

Accessibility & contrast

On white

7.16

#404BBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#404BBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BBA

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BBA	#FFFFFF	#000000	##FFFFFF
##404BBA	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBE

Deuteranopia (green-blind)

#0052B8

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #404bba;
/* rgb */ color: rgb(64, 75, 186);
/* oklch */ color: oklch(47.1% 0.173 273.4);

Tailwind

colors: {
  custom: {
    50: '#837dd0',
    500: '#404bba',
    950: '#000000',
  },
}

SCSS

$custom: #404bba;
$custom-light: #837dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#404bba",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 186
  },
  "hsl": {
    "h": 234.59,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47136,
    "c": 0.17311,
    "h": 273.4
  },
  "luminance": 0.09667
}

Semantic roles & 50–950 ramp

primary

#404BBA

secondary

#C8C28E

accent

#CC4FD8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #404BBA

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

Preview Lab → · Contrast checker → · Palette generator →