#404FC2#404FC2

#404FC2 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.179 H 272.2°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#404FC2
RGB	rgb(64, 79, 194)
HSL	hsl(233, 52%, 51%)
HSV	hsv(233, 67%, 76%)
CMYK	cmyk(67%, 59.3%, 0%, 23.9%)
CIE-LAB	lab(38.86, 31.60, -62.05)
CIE-LCH	lch(38.86, 69.63, 296.99°)
OKLab	oklab(48.53% 0.007 -0.1788)
OKLCH	oklch(48.53% 0.179 272.2)
XYZ	xyz(14.6447, 10.5756, 52.2980)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FC2 #C2B340

analogous

#4090C2 #404FC2 #7240C2

triadic

#404FC2 #C2404F #4FC240

tetradic

#404FC2 #C24090 #C2B340 #40C272

square

#404FC2 #C24090 #C2B340 #40C272

split-complementary

#404FC2 #C27240 #90C240

monochromatic

#212967 #303B95 #404FC2 #6E7AD1 #9DA4E0

Accessibility & contrast

On white

6.74

#404FC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#404FC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FC2

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FC2	#FFFFFF	#000000	##FFFFFF
##404FC2	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C6

Deuteranopia (green-blind)

#0056C0

Tritanopia (blue-blind)

#006B81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404fc2;
/* rgb */ color: rgb(64, 79, 194);
/* oklch */ color: oklch(48.5% 0.179 272.2);

Tailwind

colors: {
  custom: {
    50: '#8480d5',
    500: '#404fc2',
    950: '#000000',
  },
}

SCSS

$custom: #404fc2;
$custom-light: #8480d5;
$custom-dark: #000000;

JSON

{
  "hex": "#404fc2",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 194
  },
  "hsl": {
    "h": 233.077,
    "s": 51.587,
    "l": 50.588
  },
  "oklch": {
    "l": 0.48532,
    "c": 0.17891,
    "h": 272.2
  },
  "luminance": 0.10577
}

Semantic roles & 50–950 ramp

primary

#404FC2

secondary

#CCC592

accent

#CB4DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404FC2

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

Preview Lab → · Contrast checker → · Palette generator →