#404AD5#404AD5

#404AD5 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.3% C 0.210 H 272.7°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#404AD5
RGB	rgb(64, 74, 213)
HSL	hsl(236, 64%, 54%)
HSV	hsv(236, 70%, 84%)
CMYK	cmyk(70%, 65.3%, 0%, 16.5%)
CIE-LAB	lab(39.22, 41.28, -72.45)
CIE-LCH	lch(39.22, 83.38, 299.67°)
OKLab	oklab(49.29% 0.0098 -0.2093)
OKLCH	oklch(49.29% 0.21 272.7)
XYZ	xyz(16.5693, 10.7900, 64.1474)
Luminance	0.1079 (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

#404AD5 #D5CB40

analogous

#4095D5 #404AD5 #8140D5

triadic

#404AD5 #D5404A #4AD540

tetradic

#404AD5 #D54095 #D5CB40 #40D581

square

#404AD5 #D54095 #D5CB40 #40D581

split-complementary

#404AD5 #D58140 #95D540

monochromatic

#1C237F #2730B1 #404AD5 #727AE0 #A4A9EB

Accessibility & contrast

On white

6.65

#404AD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#404AD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404AD5

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AD5	#FFFFFF	#000000	##FFFFFF
##404AD5	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D9

Deuteranopia (green-blind)

#0056D2

Tritanopia (blue-blind)

#006F89

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #404ad5;
/* rgb */ color: rgb(64, 74, 213);
/* oklch */ color: oklch(49.3% 0.210 272.7);

Tailwind

colors: {
  custom: {
    50: '#887de3',
    500: '#404ad5',
    950: '#000000',
  },
}

SCSS

$custom: #404ad5;
$custom-light: #887de3;
$custom-dark: #000000;

JSON

{
  "hex": "#404ad5",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 213
  },
  "hsl": {
    "h": 235.973,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.49287,
    "c": 0.20954,
    "h": 272.7
  },
  "luminance": 0.10792
}

Semantic roles & 50–950 ramp

primary

#404AD5

secondary

#D8D499

accent

#DC41E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #404AD5

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

Preview Lab → · Contrast checker → · Palette generator →