#404DC8#404DC8

#404DC8 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.7% C 0.189 H 272.6°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#404DC8
RGB	rgb(64, 77, 200)
HSL	hsl(234, 55%, 52%)
HSV	hsv(234, 68%, 78%)
CMYK	cmyk(68%, 61.5%, 0%, 21.6%)
CIE-LAB	lab(38.84, 34.96, -65.57)
CIE-LCH	lch(38.84, 74.30, 298.06°)
OKLab	oklab(48.67% 0.0084 -0.1891)
OKLCH	oklch(48.67% 0.189 272.6)
XYZ	xyz(15.1901, 10.5664, 55.8714)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DC8 #C8BB40

analogous

#4091C8 #404DC8 #7740C8

triadic

#404DC8 #C8404D #4DC840

tetradic

#404DC8 #C84091 #C8BB40 #40C877

square

#404DC8 #C84091 #C8BB40 #40C877

split-complementary

#404DC8 #C87740 #91C840

monochromatic

#20276E #2D389D #404DC8 #7079D6 #9FA6E3

Accessibility & contrast

On white

6.74

#404DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#404DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404DC8

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DC8	#FFFFFF	#000000	##FFFFFF
##404DC8	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CC

Deuteranopia (green-blind)

#0055C6

Tritanopia (blue-blind)

#006C83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404dc8;
/* rgb */ color: rgb(64, 77, 200);
/* oklch */ color: oklch(48.7% 0.189 272.6);

Tailwind

colors: {
  custom: {
    50: '#857fda',
    500: '#404dc8',
    950: '#000000',
  },
}

SCSS

$custom: #404dc8;
$custom-light: #857fda;
$custom-dark: #000000;

JSON

{
  "hex": "#404dc8",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 200
  },
  "hsl": {
    "h": 234.265,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.48669,
    "c": 0.18931,
    "h": 272.6
  },
  "luminance": 0.10568
}

Semantic roles & 50–950 ramp

primary

#404DC8

secondary

#D0CA94

accent

#D049DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404DC8

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

Preview Lab → · Contrast checker → · Palette generator →