#404DA4#404DA4

#404DA4 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.140 H 273.2°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#404DA4
RGB	rgb(64, 77, 164)
HSL	hsl(232, 44%, 45%)
HSV	hsv(232, 61%, 64%)
CMYK	cmyk(61%, 53%, 0%, 35.7%)
CIE-LAB	lab(36.13, 22.35, -48.75)
CIE-LCH	lch(36.13, 53.63, 294.63°)
OKLab	oklab(45.8% 0.0078 -0.1397)
OKLCH	oklch(45.8% 0.14 273.2)
XYZ	xyz(11.4669, 9.0772, 36.2626)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DA4 #A49740

analogous

#407FA4 #404DA4 #6540A4

triadic

#404DA4 #A4404D #4DA440

tetradic

#404DA4 #A4407F #A49740 #40A465

square

#404DA4 #A4407F #A49740 #40A465

split-complementary

#404DA4 #A46540 #7FA440

monochromatic

#1E244C #2F3878 #404DA4 #606DC1 #8C95D2

Accessibility & contrast

On white

7.46

#404DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#404DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DA4

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DA4	#FFFFFF	#000000	##FFFFFF
##404DA4	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1959A7

Deuteranopia (green-blind)

#0051A2

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404da4;
/* rgb */ color: rgb(64, 77, 164);
/* oklch */ color: oklch(45.8% 0.140 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e7ec0',
    500: '#404da4',
    950: '#000000',
  },
}

SCSS

$custom: #404da4;
$custom-light: #7e7ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#404da4",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 164
  },
  "hsl": {
    "h": 232.2,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45799,
    "c": 0.1399,
    "h": 273.2
  },
  "luminance": 0.09078
}

Semantic roles & 50–950 ramp

primary

#404DA4

secondary

#BDB683

accent

#C354D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404DA4

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

Preview Lab → · Contrast checker → · Palette generator →