#404ADE#404ADE

#404ADE is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.1% C 0.221 H 272.3°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#404ADE
RGB	rgb(64, 74, 222)
HSL	hsl(236, 71%, 56%)
HSV	hsv(236, 71%, 87%)
CMYK	cmyk(71.2%, 66.7%, 0%, 12.9%)
CIE-LAB	lab(40.01, 44.32, -76.31)
CIE-LCH	lch(40.01, 88.25, 300.15°)
OKLab	oklab(50.1% 0.009 -0.2206)
OKLCH	oklch(50.1% 0.221 272.3)
XYZ	xyz(17.7435, 11.2597, 70.3313)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404ADE #DED440

analogous

#4099DE #404ADE #8540DE

triadic

#404ADE #DE404A #4ADE40

tetradic

#404ADE #DE4099 #DED440 #40DE85

square

#404ADE #DE4099 #DED440 #40DE85

split-complementary

#404ADE #DE8540 #99DE40

monochromatic

#181F8B #212BC0 #404ADE #747BE7 #A8ADF0

Accessibility & contrast

On white

6.46

#404ADE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#404ADE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404ADE

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404ADE	#FFFFFF	#000000	##FFFFFF
##404ADE	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066E3

Deuteranopia (green-blind)

#0057DB

Tritanopia (blue-blind)

#00728E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #404ade;
/* rgb */ color: rgb(64, 74, 222);
/* oklch */ color: oklch(50.1% 0.221 272.3);

Tailwind

colors: {
  custom: {
    50: '#8a7de9',
    500: '#404ade',
    950: '#000000',
  },
}

SCSS

$custom: #404ade;
$custom-light: #8a7de9;
$custom-dark: #000000;

JSON

{
  "hex": "#404ade",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 222
  },
  "hsl": {
    "h": 236.203,
    "s": 70.536,
    "l": 56.078
  },
  "oklch": {
    "l": 0.50103,
    "c": 0.22079,
    "h": 272.3
  },
  "luminance": 0.11261
}

Semantic roles & 50–950 ramp

primary

#404ADE

secondary

#DED99C

accent

#E23AED

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #404ADE

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

Preview Lab → · Contrast checker → · Palette generator →