#404DC6#404DC6

#404DC6 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.5% C 0.187 H 272.6°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#404DC6
RGB	rgb(64, 77, 198)
HSL	hsl(234, 54%, 51%)
HSV	hsv(234, 68%, 78%)
CMYK	cmyk(67.7%, 61.1%, 0%, 22.4%)
CIE-LAB	lab(38.68, 34.26, -64.67)
CIE-LCH	lch(38.68, 73.18, 297.92°)
OKLab	oklab(48.5% 0.0085 -0.1865)
OKLCH	oklch(48.5% 0.187 272.6)
XYZ	xyz(14.9579, 10.4736, 54.6485)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DC6 #C6B940

analogous

#4090C6 #404DC6 #7640C6

triadic

#404DC6 #C6404D #4DC640

tetradic

#404DC6 #C64090 #C6B940 #40C676

square

#404DC6 #C64090 #C6B940 #40C676

split-complementary

#404DC6 #C67640 #90C640

monochromatic

#20276C #2E399B #404DC6 #6F79D4 #9EA5E2

Accessibility & contrast

On white

6.79

#404DC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#404DC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404DC6

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DC6	#FFFFFF	#000000	##FFFFFF
##404DC6	1.00	6.79	3.10	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CA

Deuteranopia (green-blind)

#0055C4

Tritanopia (blue-blind)

#006B82

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404dc6;
/* rgb */ color: rgb(64, 77, 198);
/* oklch */ color: oklch(48.5% 0.187 272.6);

Tailwind

colors: {
  custom: {
    50: '#857ed8',
    500: '#404dc6',
    950: '#000000',
  },
}

SCSS

$custom: #404dc6;
$custom-light: #857ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#404dc6",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 198
  },
  "hsl": {
    "h": 234.179,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.485,
    "c": 0.18667,
    "h": 272.6
  },
  "luminance": 0.10475
}

Semantic roles & 50–950 ramp

primary

#404DC6

secondary

#CEC993

accent

#CF4ADD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #404DC6

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

Preview Lab → · Contrast checker → · Palette generator →