#404DCA#404DCA

#404DCA is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.8% C 0.192 H 272.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#404DCA
RGB	rgb(64, 77, 202)
HSL	hsl(234, 57%, 52%)
HSV	hsv(234, 68%, 79%)
CMYK	cmyk(68.3%, 61.9%, 0%, 20.8%)
CIE-LAB	lab(39.00, 35.65, -66.46)
CIE-LCH	lch(39.00, 75.42, 298.21°)
OKLab	oklab(48.84% 0.0084 -0.1917)
OKLCH	oklch(48.84% 0.192 272.5)
XYZ	xyz(15.4253, 10.6606, 57.1104)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DCA #CABD40

analogous

#4092CA #404DCA #7840CA

triadic

#404DCA #CA404D #4DCA40

tetradic

#404DCA #CA4092 #CABD40 #40CA78

square

#404DCA #CA4092 #CABD40 #40CA78

split-complementary

#404DCA #CA7840 #92CA40

monochromatic

#1F2770 #2C37A0 #404DCA #707AD7 #A0A6E5

Accessibility & contrast

On white

6.70

#404DCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#404DCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404DCA

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DCA	#FFFFFF	#000000	##FFFFFF
##404DCA	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CE

Deuteranopia (green-blind)

#0056C8

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #404dca;
/* rgb */ color: rgb(64, 77, 202);
/* oklch */ color: oklch(48.8% 0.192 272.5);

Tailwind

colors: {
  custom: {
    50: '#867fdb',
    500: '#404dca',
    950: '#000000',
  },
}

SCSS

$custom: #404dca;
$custom-light: #867fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#404dca",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 202
  },
  "hsl": {
    "h": 234.348,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48839,
    "c": 0.19192,
    "h": 272.5
  },
  "luminance": 0.10662
}

Semantic roles & 50–950 ramp

primary

#404DCA

secondary

#D1CB95

accent

#D248E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #404DCA

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

Preview Lab → · Contrast checker → · Palette generator →