#404CC1#404CC1

#404CC1 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.9% C 0.181 H 273.0°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#404CC1
RGB	rgb(64, 76, 193)
HSL	hsl(234, 51%, 50%)
HSV	hsv(234, 67%, 76%)
CMYK	cmyk(66.8%, 60.6%, 0%, 24.3%)
CIE-LAB	lab(38.04, 33.15, -62.80)
CIE-LCH	lch(38.04, 71.02, 297.83°)
OKLab	oklab(47.9% 0.0094 -0.181)
OKLCH	oklch(47.9% 0.181 273)
XYZ	xyz(14.3212, 10.1078, 51.6380)
Luminance	0.1011 (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

#404CC1 #C1B540

analogous

#408CC1 #404CC1 #7540C1

triadic

#404CC1 #C1404C #4CC140

tetradic

#404CC1 #C1408C #C1B540 #40C175

square

#404CC1 #C1408C #C1B540 #40C175

split-complementary

#404CC1 #C17540 #8CC140

monochromatic

#212766 #303994 #404CC1 #6E77D0 #9CA3DF

Accessibility & contrast

On white

6.95

#404CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#404CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CC1

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CC1	#FFFFFF	#000000	##FFFFFF
##404CC1	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC5

Deuteranopia (green-blind)

#0054BF

Tritanopia (blue-blind)

#00697F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404cc1;
/* rgb */ color: rgb(64, 76, 193);
/* oklch */ color: oklch(47.9% 0.181 273.0);

Tailwind

colors: {
  custom: {
    50: '#847ed5',
    500: '#404cc1',
    950: '#000000',
  },
}

SCSS

$custom: #404cc1;
$custom-light: #847ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#404cc1",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 193
  },
  "hsl": {
    "h": 234.419,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.479,
    "c": 0.18126,
    "h": 273
  },
  "luminance": 0.10109
}

Semantic roles & 50–950 ramp

primary

#404CC1

secondary

#CBC692

accent

#CD4DDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404CC1

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

Preview Lab → · Contrast checker → · Palette generator →