#404CC0#404CC0

#404CC0 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.8% C 0.180 H 273.0°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#404CC0
RGB	rgb(64, 76, 192)
HSL	hsl(234, 50%, 50%)
HSV	hsv(234, 67%, 75%)
CMYK	cmyk(66.7%, 60.4%, 0%, 24.7%)
CIE-LAB	lab(37.96, 32.80, -62.35)
CIE-LCH	lch(37.96, 70.45, 297.75°)
OKLab	oklab(47.82% 0.0094 -0.1797)
OKLCH	oklch(47.82% 0.18 273)
XYZ	xyz(14.2100, 10.0634, 51.0525)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404CC0 #C0B440

analogous

#408CC0 #404CC0 #7440C0

triadic

#404CC0 #C0404C #4CC040

tetradic

#404CC0 #C0408C #C0B440 #40C074

square

#404CC0 #C0408C #C0B440 #40C074

split-complementary

#404CC0 #C07440 #8CC040

monochromatic

#212764 #303A92 #404CC0 #6E77CF #9CA2DE

Accessibility & contrast

On white

6.97

#404CC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#404CC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CC0

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CC0	#FFFFFF	#000000	##FFFFFF
##404CC0	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC4

Deuteranopia (green-blind)

#0054BE

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404cc0;
/* rgb */ color: rgb(64, 76, 192);
/* oklch */ color: oklch(47.8% 0.180 273.0);

Tailwind

colors: {
  custom: {
    50: '#847ed4',
    500: '#404cc0',
    950: '#000000',
  },
}

SCSS

$custom: #404cc0;
$custom-light: #847ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#404cc0",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 192
  },
  "hsl": {
    "h": 234.375,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.47816,
    "c": 0.17993,
    "h": 273
  },
  "luminance": 0.10065
}

Semantic roles & 50–950 ramp

primary

#404CC0

secondary

#CBC591

accent

#CD4EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404CC0

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

Preview Lab → · Contrast checker → · Palette generator →