#404D9A#404D9A

#404D9A is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.1% C 0.125 H 273.1°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#404D9A
RGB	rgb(64, 77, 154)
HSL	hsl(231, 41%, 43%)
HSV	hsv(231, 58%, 60%)
CMYK	cmyk(58.4%, 50%, 0%, 39.6%)
CIE-LAB	lab(35.46, 18.86, -43.82)
CIE-LCH	lch(35.46, 47.71, 293.28°)
OKLab	oklab(45.08% 0.0069 -0.1252)
OKLCH	oklch(45.08% 0.125 273.1)
XYZ	xyz(10.5991, 8.7300, 31.6921)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404D9A #9A8D40

analogous

#407A9A #404D9A #60409A

triadic

#404D9A #9A404D #4D9A40

tetradic

#404D9A #9A407A #9A8D40 #409A60

square

#404D9A #9A407A #9A8D40 #409A60

split-complementary

#404D9A #9A6040 #7A9A40

monochromatic

#1C2244 #2E376F #404D9A #5C6ABB #8791CD

Accessibility & contrast

On white

7.65

#404D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#404D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404D9A

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404D9A	#FFFFFF	#000000	##FFFFFF
##404D9A	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26579D

Deuteranopia (green-blind)

#185098

Tritanopia (blue-blind)

#035E6C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #404d9a;
/* rgb */ color: rgb(64, 77, 154);
/* oklch */ color: oklch(45.1% 0.125 273.1);

Tailwind

colors: {
  custom: {
    50: '#7d7eb8',
    500: '#404d9a',
    950: '#000000',
  },
}

SCSS

$custom: #404d9a;
$custom-light: #7d7eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#404d9a",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 154
  },
  "hsl": {
    "h": 231.333,
    "s": 41.284,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45075,
    "c": 0.12537,
    "h": 273.1
  },
  "luminance": 0.08731
}

Semantic roles & 50–950 ramp

primary

#404D9A

secondary

#B8AF7E

accent

#BF57D1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #404D9A

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

Preview Lab → · Contrast checker → · Palette generator →