#404BD1#404BD1

#404BD1 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.1% C 0.203 H 272.7°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#404BD1
RGB	rgb(64, 75, 209)
HSL	hsl(235, 61%, 54%)
HSV	hsv(235, 69%, 82%)
CMYK	cmyk(69.4%, 64.1%, 0%, 18%)
CIE-LAB	lab(39.11, 39.30, -70.33)
CIE-LCH	lch(39.11, 80.57, 299.20°)
OKLab	oklab(49.1% 0.0094 -0.2031)
OKLCH	oklch(49.1% 0.203 272.7)
XYZ	xyz(16.1352, 10.7240, 61.5289)
Luminance	0.1073 (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

#404BD1 #D1C640

analogous

#4093D1 #404BD1 #7D40D1

triadic

#404BD1 #D1404B #4BD140

tetradic

#404BD1 #D14093 #D1C640 #40D17D

square

#404BD1 #D14093 #D1C640 #40D17D

split-complementary

#404BD1 #D17D40 #93D140

monochromatic

#1D2479 #2933AB #404BD1 #7179DD #A3A8E9

Accessibility & contrast

On white

6.68

#404BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#404BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404BD1

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BD1	#FFFFFF	#000000	##FFFFFF
##404BD1	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D5

Deuteranopia (green-blind)

#0055CE

Tritanopia (blue-blind)

#006E87

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #404bd1;
/* rgb */ color: rgb(64, 75, 209);
/* oklch */ color: oklch(49.1% 0.203 272.7);

Tailwind

colors: {
  custom: {
    50: '#877de0',
    500: '#404bd1',
    950: '#000000',
  },
}

SCSS

$custom: #404bd1;
$custom-light: #877de0;
$custom-dark: #000000;

JSON

{
  "hex": "#404bd1",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 209
  },
  "hsl": {
    "h": 235.448,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.49099,
    "c": 0.20332,
    "h": 272.7
  },
  "luminance": 0.10726
}

Semantic roles & 50–950 ramp

primary

#404BD1

secondary

#D5D197

accent

#D844E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #404BD1

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

Preview Lab → · Contrast checker → · Palette generator →