#404188#404188

#404188 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 41.3% C 0.116 H 279.5°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#404188
RGB	rgb(64, 65, 136)
HSL	hsl(239, 36%, 39%)
HSV	hsv(239, 53%, 53%)
CMYK	cmyk(52.9%, 52.2%, 0%, 46.7%)
CIE-LAB	lab(30.99, 20.58, -40.00)
CIE-LCH	lch(30.99, 44.99, 297.23°)
OKLab	oklab(41.32% 0.019 -0.1141)
OKLCH	oklch(41.32% 0.116 279.5)
XYZ	xyz(8.4472, 6.6477, 24.1258)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404188 #888740

analogous

#406588 #404188 #634088

triadic

#404188 #884041 #418840

tetradic

#404188 #884065 #888740 #408863

square

#404188 #884065 #888740 #408863

split-complementary

#404188 #886340 #658840

monochromatic

#191935 #2C2D5E #404188 #5657AF #7F80C3

Accessibility & contrast

On white

9.01

#404188 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#404188 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404188

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404188	#FFFFFF	#000000	##FFFFFF
##404188	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4C8B

Deuteranopia (green-blind)

#164686

Tritanopia (blue-blind)

#22515E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #404188;
/* rgb */ color: rgb(64, 65, 136);
/* oklch */ color: oklch(41.3% 0.116 279.5);

Tailwind

colors: {
  custom: {
    50: '#7a75ab',
    500: '#404188',
    950: '#000000',
  },
}

SCSS

$custom: #404188;
$custom-light: #7a75ab;
$custom-dark: #000000;

JSON

{
  "hex": "#404188",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 136
  },
  "hsl": {
    "h": 239.167,
    "s": 36,
    "l": 39.216
  },
  "oklch": {
    "l": 0.4132,
    "c": 0.11565,
    "h": 279.5
  },
  "luminance": 0.06648
}

Semantic roles & 50–950 ramp

primary

#404188

secondary

#ADAD76

accent

#CA5CCC

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #404188

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

Preview Lab → · Contrast checker → · Palette generator →