#404FD9#404FD9

#404FD9 is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 50.5% C 0.209 H 271.7°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#404FD9
RGB	rgb(64, 79, 217)
HSL	hsl(234, 67%, 55%)
HSV	hsv(234, 71%, 85%)
CMYK	cmyk(70.5%, 63.6%, 0%, 14.9%)
CIE-LAB	lab(40.72, 39.59, -72.30)
CIE-LCH	lch(40.72, 82.43, 298.71°)
OKLab	oklab(50.48% 0.0062 -0.2088)
OKLCH	oklch(50.48% 0.209 271.7)
XYZ	xyz(17.4305, 11.6900, 66.9700)
Luminance	0.1169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FD9 #D9CA40

analogous

#409BD9 #404FD9 #7E40D9

triadic

#404FD9 #D9404F #4FD940

tetradic

#404FD9 #D9409B #D9CA40 #40D97E

square

#404FD9 #D9409B #D9CA40 #40D97E

split-complementary

#404FD9 #D97E40 #9BD940

monochromatic

#1A2584 #2433B7 #404FD9 #737EE3 #A6ADED

Accessibility & contrast

On white

6.29

#404FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#404FD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FD9

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FD9	#FFFFFF	#000000	##FFFFFF
##404FD9	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067DD

Deuteranopia (green-blind)

#0059D6

Tritanopia (blue-blind)

#00738D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #404fd9;
/* rgb */ color: rgb(64, 79, 217);
/* oklch */ color: oklch(50.5% 0.209 271.7);

Tailwind

colors: {
  custom: {
    50: '#8980e6',
    500: '#404fd9',
    950: '#000000',
  },
}

SCSS

$custom: #404fd9;
$custom-light: #8980e6;
$custom-dark: #000000;

JSON

{
  "hex": "#404fd9",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 217
  },
  "hsl": {
    "h": 234.118,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.50484,
    "c": 0.20893,
    "h": 271.7
  },
  "luminance": 0.11692
}

Semantic roles & 50–950 ramp

primary

#404FD9

secondary

#DAD49A

accent

#D93EEA

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #404FD9

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

Preview Lab → · Contrast checker → · Palette generator →