#404AD4#404AD4

#404AD4 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.2% C 0.208 H 272.7°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#404AD4
RGB	rgb(64, 74, 212)
HSL	hsl(236, 63%, 54%)
HSV	hsv(236, 70%, 83%)
CMYK	cmyk(69.8%, 65.1%, 0%, 16.9%)
CIE-LAB	lab(39.14, 40.94, -72.01)
CIE-LCH	lch(39.14, 82.84, 299.62°)
OKLab	oklab(49.2% 0.0099 -0.208)
OKLCH	oklch(49.2% 0.208 272.7)
XYZ	xyz(16.4428, 10.7394, 63.4810)
Luminance	0.1074 (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

#404AD4 #D4CA40

analogous

#4094D4 #404AD4 #8040D4

triadic

#404AD4 #D4404A #4AD440

tetradic

#404AD4 #D44094 #D4CA40 #40D480

square

#404AD4 #D44094 #D4CA40 #40D480

split-complementary

#404AD4 #D48040 #94D440

monochromatic

#1C237D #2731AF #404AD4 #7279DF #A4A9EA

Accessibility & contrast

On white

6.67

#404AD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#404AD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404AD4

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AD4	#FFFFFF	#000000	##FFFFFF
##404AD4	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D8

Deuteranopia (green-blind)

#0055D1

Tritanopia (blue-blind)

#006E88

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #404ad4;
/* rgb */ color: rgb(64, 74, 212);
/* oklch */ color: oklch(49.2% 0.208 272.7);

Tailwind

colors: {
  custom: {
    50: '#887de2',
    500: '#404ad4',
    950: '#000000',
  },
}

SCSS

$custom: #404ad4;
$custom-light: #887de2;
$custom-dark: #000000;

JSON

{
  "hex": "#404ad4",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 212
  },
  "hsl": {
    "h": 235.946,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.49197,
    "c": 0.20828,
    "h": 272.7
  },
  "luminance": 0.10741
}

Semantic roles & 50–950 ramp

primary

#404AD4

secondary

#D7D398

accent

#DB42E6

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #404AD4

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

Preview Lab → · Contrast checker → · Palette generator →