#404CCE#404CCE

#404CCE is a mid, vivid blue. Relative luminance 0.107; OKLCH L 49.0% C 0.198 H 272.6°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#404CCE
RGB	rgb(64, 76, 206)
HSL	hsl(235, 59%, 53%)
HSV	hsv(235, 69%, 81%)
CMYK	cmyk(68.9%, 63.1%, 0%, 19.2%)
CIE-LAB	lab(39.09, 37.65, -68.63)
CIE-LCH	lch(39.09, 78.28, 298.75°)
OKLab	oklab(49.01% 0.0089 -0.1981)
OKLCH	oklch(49.01% 0.198 272.6)
XYZ	xyz(15.8356, 10.7136, 59.6139)
Luminance	0.1071 (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

#404CCE #CEC240

analogous

#4093CE #404CCE #7B40CE

triadic

#404CCE #CE404C #4CCE40

tetradic

#404CCE #CE4093 #CEC240 #40CE7B

square

#404CCE #CE4093 #CEC240 #40CE7B

split-complementary

#404CCE #CE7B40 #93CE40

monochromatic

#1E2675 #2B35A6 #404CCE #717ADA #A1A7E7

Accessibility & contrast

On white

6.68

#404CCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#404CCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CCE

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CCE	#FFFFFF	#000000	##FFFFFF
##404CCE	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D2

Deuteranopia (green-blind)

#0056CB

Tritanopia (blue-blind)

#006D86

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #404cce;
/* rgb */ color: rgb(64, 76, 206);
/* oklch */ color: oklch(49.0% 0.198 272.6);

Tailwind

colors: {
  custom: {
    50: '#877ede',
    500: '#404cce',
    950: '#000000',
  },
}

SCSS

$custom: #404cce;
$custom-light: #877ede;
$custom-dark: #000000;

JSON

{
  "hex": "#404cce",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 206
  },
  "hsl": {
    "h": 234.93,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49008,
    "c": 0.19831,
    "h": 272.6
  },
  "luminance": 0.10715
}

Semantic roles & 50–950 ramp

primary

#404CCE

secondary

#D4CE96

accent

#D545E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #404CCE

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

Preview Lab → · Contrast checker → · Palette generator →