#404FBF#404FBF

#404FBF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.3% C 0.175 H 272.3°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#404FBF
RGB	rgb(64, 79, 191)
HSL	hsl(233, 50%, 50%)
HSV	hsv(233, 66%, 75%)
CMYK	cmyk(66.5%, 58.6%, 0%, 25.1%)
CIE-LAB	lab(38.62, 30.55, -60.67)
CIE-LCH	lch(38.62, 67.93, 296.73°)
OKLab	oklab(48.29% 0.007 -0.1747)
OKLCH	oklch(48.29% 0.175 272.3)
XYZ	xyz(14.3112, 10.4422, 50.5415)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FBF #BFB040

analogous

#408FBF #404FBF #7040BF

triadic

#404FBF #BF404F #4FBF40

tetradic

#404FBF #BF408F #BFB040 #40BF70

square

#404FBF #BF408F #BFB040 #40BF70

split-complementary

#404FBF #BF7040 #8FBF40

monochromatic

#212963 #313C91 #404FBF #6E79CE #9CA3DE

Accessibility & contrast

On white

6.80

#404FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#404FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FBF

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FBF	#FFFFFF	#000000	##FFFFFF
##404FBF	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C3

Deuteranopia (green-blind)

#0055BD

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404fbf;
/* rgb */ color: rgb(64, 79, 191);
/* oklch */ color: oklch(48.3% 0.175 272.3);

Tailwind

colors: {
  custom: {
    50: '#8380d3',
    500: '#404fbf',
    950: '#000000',
  },
}

SCSS

$custom: #404fbf;
$custom-light: #8380d3;
$custom-dark: #000000;

JSON

{
  "hex": "#404fbf",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 191
  },
  "hsl": {
    "h": 232.913,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.48287,
    "c": 0.17487,
    "h": 272.3
  },
  "luminance": 0.10444
}

Semantic roles & 50–950 ramp

primary

#404FBF

secondary

#CAC391

accent

#C94ED9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404FBF

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

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