#404FBD#404FBD

#404FBD is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.1% C 0.172 H 272.3°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#404FBD
RGB	rgb(64, 79, 189)
HSL	hsl(233, 49%, 50%)
HSV	hsv(233, 66%, 74%)
CMYK	cmyk(66.1%, 58.2%, 0%, 25.9%)
CIE-LAB	lab(38.47, 29.85, -59.75)
CIE-LCH	lch(38.47, 66.79, 296.54°)
OKLab	oklab(48.13% 0.007 -0.172)
OKLCH	oklch(48.13% 0.172 272.3)
XYZ	xyz(14.0926, 10.3548, 49.3903)
Luminance	0.1036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FBD #BDAE40

analogous

#408EBD #404FBD #7040BD

triadic

#404FBD #BD404F #4FBD40

tetradic

#404FBD #BD408E #BDAE40 #40BD70

square

#404FBD #BD408E #BDAE40 #40BD70

split-complementary

#404FBD #BD7040 #8EBD40

monochromatic

#212962 #313C8F #404FBD #6D78CD #9AA2DD

Accessibility & contrast

On white

6.84

#404FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#404FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FBD

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FBD	#FFFFFF	#000000	##FFFFFF
##404FBD	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C1

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404fbd;
/* rgb */ color: rgb(64, 79, 189);
/* oklch */ color: oklch(48.1% 0.172 272.3);

Tailwind

colors: {
  custom: {
    50: '#8380d2',
    500: '#404fbd',
    950: '#000000',
  },
}

SCSS

$custom: #404fbd;
$custom-light: #8380d2;
$custom-dark: #000000;

JSON

{
  "hex": "#404fbd",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 189
  },
  "hsl": {
    "h": 232.8,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48126,
    "c": 0.17217,
    "h": 272.3
  },
  "luminance": 0.10356
}

Semantic roles & 50–950 ramp

primary

#404FBD

secondary

#C9C290

accent

#C84FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404FBD

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

Preview Lab → · Contrast checker → · Palette generator →