#404DA3#404DA3

#404DA3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.138 H 273.2°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#404DA3
RGB	rgb(64, 77, 163)
HSL	hsl(232, 44%, 45%)
HSV	hsv(232, 61%, 64%)
CMYK	cmyk(60.7%, 52.8%, 0%, 36.1%)
CIE-LAB	lab(36.06, 22.00, -48.26)
CIE-LCH	lch(36.06, 53.04, 294.51°)
OKLab	oklab(45.73% 0.0078 -0.1382)
OKLCH	oklch(45.73% 0.138 273.2)
XYZ	xyz(11.3769, 9.0412, 35.7888)
Luminance	0.0904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DA3 #A39640

analogous

#407FA3 #404DA3 #6540A3

triadic

#404DA3 #A3404D #4DA340

tetradic

#404DA3 #A3407F #A39640 #40A365

square

#404DA3 #A3407F #A39640 #40A365

split-complementary

#404DA3 #A36540 #7FA340

monochromatic

#1D234B #2F3877 #404DA3 #606CC0 #8C95D2

Accessibility & contrast

On white

7.48

#404DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#404DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DA3

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DA3	#FFFFFF	#000000	##FFFFFF
##404DA3	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B59A6

Deuteranopia (green-blind)

#0051A1

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404da3;
/* rgb */ color: rgb(64, 77, 163);
/* oklch */ color: oklch(45.7% 0.138 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e7ebf',
    500: '#404da3',
    950: '#000000',
  },
}

SCSS

$custom: #404da3;
$custom-light: #7e7ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#404da3",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 163
  },
  "hsl": {
    "h": 232.121,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.45725,
    "c": 0.13846,
    "h": 273.2
  },
  "luminance": 0.09042
}

Semantic roles & 50–950 ramp

primary

#404DA3

secondary

#BDB582

accent

#C354D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404DA3

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

Preview Lab → · Contrast checker → · Palette generator →