#404AA4#404AA4

#404AA4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.144 H 274.3°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#404AA4
RGB	rgb(64, 74, 164)
HSL	hsl(234, 44%, 45%)
HSV	hsv(234, 61%, 64%)
CMYK	cmyk(61%, 54.9%, 0%, 35.7%)
CIE-LAB	lab(35.34, 24.31, -50.04)
CIE-LCH	lch(35.34, 55.63, 295.91°)
OKLab	oklab(45.2% 0.0109 -0.1435)
OKLCH	oklch(45.2% 0.144 274.3)
XYZ	xyz(11.2618, 8.6670, 36.1942)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AA4 #A49A40

analogous

#407CA4 #404AA4 #6840A4

triadic

#404AA4 #A4404A #4AA440

tetradic

#404AA4 #A4407C #A49A40 #40A468

square

#404AA4 #A4407C #A49A40 #40A468

split-complementary

#404AA4 #A46840 #7CA440

monochromatic

#1E224C #2F3678 #404AA4 #606AC1 #8C93D2

Accessibility & contrast

On white

7.68

#404AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#404AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AA4

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AA4	#FFFFFF	#000000	##FFFFFF
##404AA4	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C58A7

Deuteranopia (green-blind)

#004FA2

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #404aa4;
/* rgb */ color: rgb(64, 74, 164);
/* oklch */ color: oklch(45.2% 0.144 274.3);

Tailwind

colors: {
  custom: {
    50: '#7f7cc0',
    500: '#404aa4',
    950: '#000000',
  },
}

SCSS

$custom: #404aa4;
$custom-light: #7f7cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#404aa4",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 164
  },
  "hsl": {
    "h": 234,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45201,
    "c": 0.14391,
    "h": 274.3
  },
  "luminance": 0.08668
}

Semantic roles & 50–950 ramp

primary

#404AA4

secondary

#BDB783

accent

#C754D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404AA4

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

Preview Lab → · Contrast checker → · Palette generator →