#404CE5#404CE5

#404CE5 is a mid, highly saturated blue. Relative luminance 0.119; OKLCH L 51.1% C 0.227 H 271.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#404CE5
RGB	rgb(64, 76, 229)
HSL	hsl(236, 76%, 57%)
HSV	hsv(236, 72%, 90%)
CMYK	cmyk(72.1%, 66.8%, 0%, 10.2%)
CIE-LAB	lab(41.08, 45.48, -78.55)
CIE-LCH	lch(41.08, 90.77, 300.07°)
OKLab	oklab(51.07% 0.0072 -0.2271)
OKLCH	oklch(51.07% 0.227 271.8)
XYZ	xyz(18.8369, 11.9141, 75.4205)
Luminance	0.1192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404CE5 #E5D940

analogous

#409FE5 #404CE5 #8640E5

triadic

#404CE5 #E5404C #4CE540

tetradic

#404CE5 #E5409F #E5D940 #40E586

square

#404CE5 #E5409F #E5D940 #40E586

split-complementary

#404CE5 #E58640 #9FE540

monochromatic

#141E96 #1C29CC #404CE5 #767EEC #ACB1F4

Accessibility & contrast

On white

6.21

#404CE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#404CE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CE5

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CE5	#FFFFFF	#000000	##FFFFFF
##404CE5	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069EA

Deuteranopia (green-blind)

#0059E2

Tritanopia (blue-blind)

#007592

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #404ce5;
/* rgb */ color: rgb(64, 76, 229);
/* oklch */ color: oklch(51.1% 0.227 271.8);

Tailwind

colors: {
  custom: {
    50: '#8c7eee',
    500: '#404ce5',
    950: '#000000',
  },
}

SCSS

$custom: #404ce5;
$custom-light: #8c7eee;
$custom-dark: #000000;

JSON

{
  "hex": "#404ce5",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 229
  },
  "hsl": {
    "h": 235.636,
    "s": 76.037,
    "l": 57.451
  },
  "oklch": {
    "l": 0.51065,
    "c": 0.22726,
    "h": 271.8
  },
  "luminance": 0.11916
}

Semantic roles & 50–950 ramp

primary

#404CE5

secondary

#E2DD9F

accent

#E535F3

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #404CE5

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

Preview Lab → · Contrast checker → · Palette generator →