#404EC2#404EC2

#404EC2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.3% C 0.180 H 272.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#404EC2
RGB	rgb(64, 78, 194)
HSL	hsl(234, 52%, 51%)
HSV	hsv(234, 67%, 76%)
CMYK	cmyk(67%, 59.8%, 0%, 23.9%)
CIE-LAB	lab(38.61, 32.24, -62.45)
CIE-LCH	lch(38.61, 70.28, 297.30°)
OKLab	oklab(48.35% 0.0078 -0.18)
OKLCH	oklch(48.35% 0.18 272.5)
XYZ	xyz(14.5731, 10.4325, 52.2741)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EC2 #C2B440

analogous

#408FC2 #404EC2 #7340C2

triadic

#404EC2 #C2404E #4EC240

tetradic

#404EC2 #C2408F #C2B440 #40C273

square

#404EC2 #C2408F #C2B440 #40C273

split-complementary

#404EC2 #C27340 #8FC240

monochromatic

#212867 #303B95 #404EC2 #6E79D1 #9DA4E0

Accessibility & contrast

On white

6.80

#404EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#404EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404EC2

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EC2	#FFFFFF	#000000	##FFFFFF
##404EC2	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C6

Deuteranopia (green-blind)

#0055C0

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404ec2;
/* rgb */ color: rgb(64, 78, 194);
/* oklch */ color: oklch(48.3% 0.180 272.5);

Tailwind

colors: {
  custom: {
    50: '#847fd5',
    500: '#404ec2',
    950: '#000000',
  },
}

SCSS

$custom: #404ec2;
$custom-light: #847fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#404ec2",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 194
  },
  "hsl": {
    "h": 233.538,
    "s": 51.587,
    "l": 50.588
  },
  "oklch": {
    "l": 0.48348,
    "c": 0.18014,
    "h": 272.5
  },
  "luminance": 0.10434
}

Semantic roles & 50–950 ramp

primary

#404EC2

secondary

#CCC692

accent

#CC4DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404EC2

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

Preview Lab → · Contrast checker → · Palette generator →