#404FC6#404FC6

#404FC6 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.9% C 0.184 H 272.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#404FC6
RGB	rgb(64, 79, 198)
HSL	hsl(233, 54%, 51%)
HSV	hsv(233, 68%, 78%)
CMYK	cmyk(67.7%, 60.1%, 0%, 22.4%)
CIE-LAB	lab(39.17, 33.00, -63.87)
CIE-LCH	lch(39.17, 71.89, 297.33°)
OKLab	oklab(48.86% 0.0069 -0.1841)
OKLCH	oklch(48.86% 0.184 272.2)
XYZ	xyz(15.1000, 10.7578, 54.6958)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FC6 #C6B740

analogous

#4092C6 #404FC6 #7440C6

triadic

#404FC6 #C6404F #4FC640

tetradic

#404FC6 #C64092 #C6B740 #40C674

square

#404FC6 #C64092 #C6B740 #40C674

split-complementary

#404FC6 #C67440 #92C640

monochromatic

#20296C #2E3A9B #404FC6 #6F7AD4 #9EA6E2

Accessibility & contrast

On white

6.66

#404FC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#404FC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FC6

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FC6	#FFFFFF	#000000	##FFFFFF
##404FC6	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CA

Deuteranopia (green-blind)

#0056C4

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #404fc6;
/* rgb */ color: rgb(64, 79, 198);
/* oklch */ color: oklch(48.9% 0.184 272.2);

Tailwind

colors: {
  custom: {
    50: '#8580d8',
    500: '#404fc6',
    950: '#000000',
  },
}

SCSS

$custom: #404fc6;
$custom-light: #8580d8;
$custom-dark: #000000;

JSON

{
  "hex": "#404fc6",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 198
  },
  "hsl": {
    "h": 233.284,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48862,
    "c": 0.18424,
    "h": 272.2
  },
  "luminance": 0.10759
}

Semantic roles & 50–950 ramp

primary

#404FC6

secondary

#CEC893

accent

#CD4ADD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404FC6

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

Preview Lab → · Contrast checker → · Palette generator →