#404CC8#404CC8

#404CC8 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.5% C 0.191 H 272.8°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#404CC8
RGB	rgb(64, 76, 200)
HSL	hsl(235, 55%, 52%)
HSV	hsv(235, 68%, 78%)
CMYK	cmyk(68%, 62%, 0%, 21.6%)
CIE-LAB	lab(38.60, 35.58, -65.96)
CIE-LCH	lch(38.60, 74.94, 298.35°)
OKLab	oklab(48.49% 0.0092 -0.1903)
OKLCH	oklch(48.49% 0.191 272.8)
XYZ	xyz(15.1206, 10.4276, 55.8483)
Luminance	0.1043 (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

#404CC8 #C8BC40

analogous

#4090C8 #404CC8 #7840C8

triadic

#404CC8 #C8404C #4CC840

tetradic

#404CC8 #C84090 #C8BC40 #40C878

square

#404CC8 #C84090 #C8BC40 #40C878

split-complementary

#404CC8 #C87840 #90C840

monochromatic

#20276E #2D379D #404CC8 #7079D6 #9FA5E3

Accessibility & contrast

On white

6.81

#404CC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#404CC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CC8

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CC8	#FFFFFF	#000000	##FFFFFF
##404CC8	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CC

Deuteranopia (green-blind)

#0055C6

Tritanopia (blue-blind)

#006C83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404cc8;
/* rgb */ color: rgb(64, 76, 200);
/* oklch */ color: oklch(48.5% 0.191 272.8);

Tailwind

colors: {
  custom: {
    50: '#857eda',
    500: '#404cc8',
    950: '#000000',
  },
}

SCSS

$custom: #404cc8;
$custom-light: #857eda;
$custom-dark: #000000;

JSON

{
  "hex": "#404cc8",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 200
  },
  "hsl": {
    "h": 234.706,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.48491,
    "c": 0.1905,
    "h": 272.8
  },
  "luminance": 0.10429
}

Semantic roles & 50–950 ramp

primary

#404CC8

secondary

#D0CA94

accent

#D149DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404CC8

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

Preview Lab → · Contrast checker → · Palette generator →