#404CC9#404CC9

#404CC9 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.6% C 0.192 H 272.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#404CC9
RGB	rgb(64, 76, 201)
HSL	hsl(235, 56%, 52%)
HSV	hsv(235, 68%, 79%)
CMYK	cmyk(68.2%, 62.2%, 0%, 21.2%)
CIE-LAB	lab(38.68, 35.93, -66.41)
CIE-LCH	lch(38.68, 75.50, 298.42°)
OKLab	oklab(48.58% 0.0092 -0.1916)
OKLCH	oklch(48.58% 0.192 272.7)
XYZ	xyz(15.2379, 10.4745, 56.4658)
Luminance	0.1048 (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

#404CC9 #C9BD40

analogous

#4090C9 #404CC9 #7940C9

triadic

#404CC9 #C9404C #4CC940

tetradic

#404CC9 #C94090 #C9BD40 #40C979

square

#404CC9 #C94090 #C9BD40 #40C979

split-complementary

#404CC9 #C97940 #90C940

monochromatic

#1F266F #2D379F #404CC9 #7079D6 #9FA5E4

Accessibility & contrast

On white

6.78

#404CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#404CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CC9

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CC9	#FFFFFF	#000000	##FFFFFF
##404CC9	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CD

Deuteranopia (green-blind)

#0055C7

Tritanopia (blue-blind)

#006C83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404cc9;
/* rgb */ color: rgb(64, 76, 201);
/* oklch */ color: oklch(48.6% 0.192 272.7);

Tailwind

colors: {
  custom: {
    50: '#867eda',
    500: '#404cc9',
    950: '#000000',
  },
}

SCSS

$custom: #404cc9;
$custom-light: #867eda;
$custom-dark: #000000;

JSON

{
  "hex": "#404cc9",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 201
  },
  "hsl": {
    "h": 234.745,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.48577,
    "c": 0.19181,
    "h": 272.7
  },
  "luminance": 0.10476
}

Semantic roles & 50–950 ramp

primary

#404CC9

secondary

#D0CB94

accent

#D249DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #404CC9

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

Preview Lab → · Contrast checker → · Palette generator →