#404AD9#404AD9

#404AD9 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.6% C 0.215 H 272.5°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#404AD9
RGB	rgb(64, 74, 217)
HSL	hsl(236, 67%, 55%)
HSV	hsv(236, 71%, 85%)
CMYK	cmyk(70.5%, 65.9%, 0%, 14.9%)
CIE-LAB	lab(39.57, 42.63, -74.17)
CIE-LCH	lch(39.57, 85.55, 299.89°)
OKLab	oklab(49.65% 0.0095 -0.2144)
OKLCH	oklch(49.65% 0.215 272.5)
XYZ	xyz(17.0833, 10.9956, 66.8542)
Luminance	0.1100 (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

#404AD9 #D9CF40

analogous

#4097D9 #404AD9 #8240D9

triadic

#404AD9 #D9404A #4AD940

tetradic

#404AD9 #D94097 #D9CF40 #40D982

square

#404AD9 #D94097 #D9CF40 #40D982

split-complementary

#404AD9 #D98240 #97D940

monochromatic

#1A2184 #242EB7 #404AD9 #737AE3 #A6ABED

Accessibility & contrast

On white

6.56

#404AD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#404AD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404AD9

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AD9	#FFFFFF	#000000	##FFFFFF
##404AD9	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064DD

Deuteranopia (green-blind)

#0056D6

Tritanopia (blue-blind)

#00708B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #404ad9;
/* rgb */ color: rgb(64, 74, 217);
/* oklch */ color: oklch(49.6% 0.215 272.5);

Tailwind

colors: {
  custom: {
    50: '#897de6',
    500: '#404ad9',
    950: '#000000',
  },
}

SCSS

$custom: #404ad9;
$custom-light: #897de6;
$custom-dark: #000000;

JSON

{
  "hex": "#404ad9",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 217
  },
  "hsl": {
    "h": 236.078,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49647,
    "c": 0.21457,
    "h": 272.5
  },
  "luminance": 0.10997
}

Semantic roles & 50–950 ramp

primary

#404AD9

secondary

#DAD69A

accent

#DF3EEA

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #404AD9

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

Preview Lab → · Contrast checker → · Palette generator →