#404ACB#404ACB

#404ACB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.4% C 0.197 H 273.1°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#404ACB
RGB	rgb(64, 74, 203)
HSL	hsl(236, 57%, 52%)
HSV	hsv(236, 68%, 80%)
CMYK	cmyk(68.5%, 63.5%, 0%, 20.4%)
CIE-LAB	lab(38.37, 37.86, -68.07)
CIE-LCH	lch(38.37, 77.89, 299.08°)
OKLab	oklab(48.4% 0.0105 -0.1965)
OKLCH	oklch(48.4% 0.197 273.1)
XYZ	xyz(15.3390, 10.2979, 57.6677)
Luminance	0.1030 (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

#404ACB #CBC140

analogous

#4090CB #404ACB #7B40CB

triadic

#404ACB #CB404A #4ACB40

tetradic

#404ACB #CB4090 #CBC140 #40CB7B

square

#404ACB #CB4090 #CBC140 #40CB7B

split-complementary

#404ACB #CB7B40 #90CB40

monochromatic

#1F2572 #2C35A2 #404ACB #7078D8 #A0A5E5

Accessibility & contrast

On white

6.86

#404ACB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#404ACB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404ACB

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404ACB	#FFFFFF	#000000	##FFFFFF
##404ACB	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CF

Deuteranopia (green-blind)

#0054C9

Tritanopia (blue-blind)

#006B84

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404acb;
/* rgb */ color: rgb(64, 74, 203);
/* oklch */ color: oklch(48.4% 0.197 273.1);

Tailwind

colors: {
  custom: {
    50: '#867cdc',
    500: '#404acb',
    950: '#000000',
  },
}

SCSS

$custom: #404acb;
$custom-light: #867cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#404acb",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 203
  },
  "hsl": {
    "h": 235.683,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.48401,
    "c": 0.19677,
    "h": 273.1
  },
  "luminance": 0.10299
}

Semantic roles & 50–950 ramp

primary

#404ACB

secondary

#D2CD95

accent

#D547E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #404ACB

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

Preview Lab → · Contrast checker → · Palette generator →