#404EC0#404EC0

#404EC0 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.2% C 0.177 H 272.5°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#404EC0
RGB	rgb(64, 78, 192)
HSL	hsl(233, 50%, 50%)
HSV	hsv(233, 67%, 75%)
CMYK	cmyk(66.7%, 59.4%, 0%, 24.7%)
CIE-LAB	lab(38.45, 31.54, -61.54)
CIE-LCH	lch(38.45, 69.15, 297.13°)
OKLab	oklab(48.18% 0.0078 -0.1773)
OKLCH	oklch(48.18% 0.177 272.5)
XYZ	xyz(14.3500, 10.3432, 51.0992)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EC0 #C0B240

analogous

#408EC0 #404EC0 #7240C0

triadic

#404EC0 #C0404E #4EC040

tetradic

#404EC0 #C0408E #C0B240 #40C072

square

#404EC0 #C0408E #C0B240 #40C072

split-complementary

#404EC0 #C07240 #8EC040

monochromatic

#212864 #303B92 #404EC0 #6E79CF #9CA3DE

Accessibility & contrast

On white

6.84

#404EC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#404EC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404EC0

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EC0	#FFFFFF	#000000	##FFFFFF
##404EC0	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C4

Deuteranopia (green-blind)

#0055BE

Tritanopia (blue-blind)

#006A7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404ec0;
/* rgb */ color: rgb(64, 78, 192);
/* oklch */ color: oklch(48.2% 0.177 272.5);

Tailwind

colors: {
  custom: {
    50: '#847fd4',
    500: '#404ec0',
    950: '#000000',
  },
}

SCSS

$custom: #404ec0;
$custom-light: #847fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#404ec0",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 192
  },
  "hsl": {
    "h": 233.438,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48183,
    "c": 0.17746,
    "h": 272.5
  },
  "luminance": 0.10345
}

Semantic roles & 50–950 ramp

primary

#404EC0

secondary

#CBC491

accent

#CB4EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404EC0

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

Preview Lab → · Contrast checker → · Palette generator →