#404FC5#404FC5

#404FC5 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.8% C 0.183 H 272.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#404FC5
RGB	rgb(64, 79, 197)
HSL	hsl(233, 53%, 51%)
HSV	hsv(233, 68%, 77%)
CMYK	cmyk(67.5%, 59.9%, 0%, 22.7%)
CIE-LAB	lab(39.09, 32.65, -63.41)
CIE-LCH	lch(39.09, 71.33, 297.24°)
OKLab	oklab(48.78% 0.0069 -0.1828)
OKLCH	oklch(48.78% 0.183 272.2)
XYZ	xyz(14.9850, 10.7118, 54.0904)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FC5 #C5B640

analogous

#4091C5 #404FC5 #7340C5

triadic

#404FC5 #C5404F #4FC540

tetradic

#404FC5 #C54091 #C5B640 #40C573

square

#404FC5 #C54091 #C5B640 #40C573

split-complementary

#404FC5 #C57340 #91C540

monochromatic

#20296A #2F3B99 #404FC5 #6F7AD3 #9EA6E2

Accessibility & contrast

On white

6.68

#404FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#404FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FC5

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FC5	#FFFFFF	#000000	##FFFFFF
##404FC5	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C9

Deuteranopia (green-blind)

#0056C3

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #404fc5;
/* rgb */ color: rgb(64, 79, 197);
/* oklch */ color: oklch(48.8% 0.183 272.2);

Tailwind

colors: {
  custom: {
    50: '#8580d7',
    500: '#404fc5',
    950: '#000000',
  },
}

SCSS

$custom: #404fc5;
$custom-light: #8580d7;
$custom-dark: #000000;

JSON

{
  "hex": "#404fc5",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 197
  },
  "hsl": {
    "h": 233.233,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48779,
    "c": 0.18291,
    "h": 272.2
  },
  "luminance": 0.10713
}

Semantic roles & 50–950 ramp

primary

#404FC5

secondary

#CEC793

accent

#CC4BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404FC5

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

Preview Lab → · Contrast checker → · Palette generator →