#404CA6#404CA6

#404CA6 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.7% C 0.144 H 273.6°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#404CA6
RGB	rgb(64, 76, 166)
HSL	hsl(233, 44%, 45%)
HSV	hsv(233, 61%, 65%)
CMYK	cmyk(61.4%, 54.2%, 0%, 34.9%)
CIE-LAB	lab(36.01, 23.71, -50.15)
CIE-LCH	lch(36.01, 55.47, 295.30°)
OKLab	oklab(45.75% 0.009 -0.1438)
OKLCH	oklch(45.75% 0.144 273.6)
XYZ	xyz(11.5795, 9.0111, 37.1981)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404CA6 #A69A40

analogous

#407FA6 #404CA6 #6740A6

triadic

#404CA6 #A6404C #4CA640

tetradic

#404CA6 #A6407F #A69A40 #40A667

square

#404CA6 #A6407F #A69A40 #40A667

split-complementary

#404CA6 #A66740 #7FA640

monochromatic

#1E244E #2F387A #404CA6 #616CC2 #8D95D3

Accessibility & contrast

On white

7.49

#404CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#404CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404CA6

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CA6	#FFFFFF	#000000	##FFFFFF
##404CA6	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1159A9

Deuteranopia (green-blind)

#0050A4

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404ca6;
/* rgb */ color: rgb(64, 76, 166);
/* oklch */ color: oklch(45.7% 0.144 273.6);

Tailwind

colors: {
  custom: {
    50: '#7f7dc1',
    500: '#404ca6',
    950: '#000000',
  },
}

SCSS

$custom: #404ca6;
$custom-light: #7f7dc1;
$custom-dark: #000000;

JSON

{
  "hex": "#404ca6",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 166
  },
  "hsl": {
    "h": 232.941,
    "s": 44.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.45749,
    "c": 0.14409,
    "h": 273.6
  },
  "luminance": 0.09012
}

Semantic roles & 50–950 ramp

primary

#404CA6

secondary

#BEB784

accent

#C554D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404CA6

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

Preview Lab → · Contrast checker → · Palette generator →