#404FD4#404FD4

#404FD4 is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.0% C 0.203 H 271.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#404FD4
RGB	rgb(64, 79, 212)
HSL	hsl(234, 63%, 54%)
HSV	hsv(234, 70%, 83%)
CMYK	cmyk(69.8%, 62.7%, 0%, 16.9%)
CIE-LAB	lab(40.30, 37.87, -70.11)
CIE-LCH	lch(40.30, 79.68, 298.37°)
OKLab	oklab(50.05% 0.0065 -0.2024)
OKLCH	oklch(50.05% 0.203 271.8)
XYZ	xyz(16.7900, 11.4338, 63.5967)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FD4 #D4C540

analogous

#4099D4 #404FD4 #7B40D4

triadic

#404FD4 #D4404F #4FD440

tetradic

#404FD4 #D44099 #D4C540 #40D47B

square

#404FD4 #D44099 #D4C540 #40D47B

split-complementary

#404FD4 #D47B40 #99D440

monochromatic

#1C267D #2735AF #404FD4 #727DDF #A4ABEA

Accessibility & contrast

On white

6.39

#404FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#404FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FD4

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FD4	#FFFFFF	#000000	##FFFFFF
##404FD4	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D8

Deuteranopia (green-blind)

#0058D1

Tritanopia (blue-blind)

#00718A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #404fd4;
/* rgb */ color: rgb(64, 79, 212);
/* oklch */ color: oklch(50.0% 0.203 271.8);

Tailwind

colors: {
  custom: {
    50: '#8880e2',
    500: '#404fd4',
    950: '#000000',
  },
}

SCSS

$custom: #404fd4;
$custom-light: #8880e2;
$custom-dark: #000000;

JSON

{
  "hex": "#404fd4",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 212
  },
  "hsl": {
    "h": 233.919,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50049,
    "c": 0.20253,
    "h": 271.8
  },
  "luminance": 0.11435
}

Semantic roles & 50–950 ramp

primary

#404FD4

secondary

#D7D198

accent

#D642E6

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #404FD4

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

Preview Lab → · Contrast checker → · Palette generator →