#404099#404099

#404099 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.142 H 278.5°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#404099
RGB	rgb(64, 64, 153)
HSL	hsl(240, 41%, 43%)
HSV	hsv(240, 58%, 60%)
CMYK	cmyk(58.2%, 58.2%, 0%, 40%)
CIE-LAB	lab(31.93, 27.01, -48.90)
CIE-LCH	lch(31.93, 55.87, 298.91°)
OKLab	oklab(42.41% 0.0209 -0.1403)
OKLCH	oklch(42.41% 0.142 278.5)
XYZ	xyz(9.6957, 7.0560, 30.9818)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404099 #999940

analogous

#406C99 #404099 #6C4099

triadic

#404099 #994040 #409940

tetradic

#404099 #99406C #999940 #40996C

square

#404099 #99406C #999940 #40996C

split-complementary

#404099 #996C40 #6C9940

monochromatic

#1C1C43 #2E2E6E #404099 #5C5CBB #8787CD

Accessibility & contrast

On white

8.71

#404099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#404099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404099

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404099	#FFFFFF	#000000	##FFFFFF
##404099	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9C

Deuteranopia (green-blind)

#004897

Tritanopia (blue-blind)

#0B5566

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #404099;
/* rgb */ color: rgb(64, 64, 153);
/* oklch */ color: oklch(42.4% 0.142 278.5);

Tailwind

colors: {
  custom: {
    50: '#7d75b8',
    500: '#404099',
    950: '#000000',
  },
}

SCSS

$custom: #404099;
$custom-light: #7d75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#404099",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 153
  },
  "hsl": {
    "h": 240,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42409,
    "c": 0.14181,
    "h": 278.5
  },
  "luminance": 0.07057
}

Semantic roles & 50–950 ramp

primary

#404099

secondary

#B7B77E

accent

#D157D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #404099

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

Preview Lab → · Contrast checker → · Palette generator →