#404ED9#404ED9

#404ED9 is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 50.3% C 0.210 H 271.9°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#404ED9
RGB	rgb(64, 78, 217)
HSL	hsl(235, 67%, 55%)
HSV	hsv(235, 71%, 85%)
CMYK	cmyk(70.5%, 64.1%, 0%, 14.9%)
CIE-LAB	lab(40.49, 40.21, -72.68)
CIE-LCH	lch(40.49, 83.06, 298.95°)
OKLab	oklab(50.31% 0.0069 -0.21)
OKLCH	oklch(50.31% 0.21 271.9)
XYZ	xyz(17.3589, 11.5468, 66.9461)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404ED9 #D9CB40

analogous

#409AD9 #404ED9 #7F40D9

triadic

#404ED9 #D9404E #4ED940

tetradic

#404ED9 #D9409A #D9CB40 #40D97F

square

#404ED9 #D9409A #D9CB40 #40D97F

split-complementary

#404ED9 #D97F40 #9AD940

monochromatic

#1A2484 #2432B7 #404ED9 #737DE3 #A6ADED

Accessibility & contrast

On white

6.34

#404ED9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#404ED9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404ED9

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404ED9	#FFFFFF	#000000	##FFFFFF
##404ED9	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067DD

Deuteranopia (green-blind)

#0058D6

Tritanopia (blue-blind)

#00728C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #404ed9;
/* rgb */ color: rgb(64, 78, 217);
/* oklch */ color: oklch(50.3% 0.210 271.9);

Tailwind

colors: {
  custom: {
    50: '#8980e6',
    500: '#404ed9',
    950: '#000000',
  },
}

SCSS

$custom: #404ed9;
$custom-light: #8980e6;
$custom-dark: #000000;

JSON

{
  "hex": "#404ed9",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 217
  },
  "hsl": {
    "h": 234.51,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.50314,
    "c": 0.21007,
    "h": 271.9
  },
  "luminance": 0.11549
}

Semantic roles & 50–950 ramp

primary

#404ED9

secondary

#DAD59A

accent

#DA3EEA

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #404ED9

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

Preview Lab → · Contrast checker → · Palette generator →