#404580#404580

#404580 is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.6% C 0.098 H 277.6°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#404580
RGB	rgb(64, 69, 128)
HSL	hsl(235, 33%, 38%)
HSV	hsv(235, 50%, 50%)
CMYK	cmyk(50%, 46.1%, 0%, 49.8%)
CIE-LAB	lab(31.59, 15.25, -34.09)
CIE-LCH	lch(31.59, 37.35, 294.10°)
OKLab	oklab(41.61% 0.0129 -0.0967)
OKLCH	oklch(41.61% 0.098 277.6)
XYZ	xyz(8.1376, 6.9043, 21.3218)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404580 #807B40

analogous

#406580 #404580 #5B4080

triadic

#404580 #804045 #458040

tetradic

#404580 #804065 #807B40 #40805B

square

#404580 #804065 #807B40 #40805B

split-complementary

#404580 #805B40 #658040

monochromatic

#17192E #2C2F57 #404580 #545BA9 #7D82BE

Accessibility & contrast

On white

8.82

#404580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#404580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404580

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404580	#FFFFFF	#000000	##FFFFFF
##404580	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4D82

Deuteranopia (green-blind)

#28487F

Tritanopia (blue-blind)

#28515C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #404580;
/* rgb */ color: rgb(64, 69, 128);
/* oklch */ color: oklch(41.6% 0.098 277.6);

Tailwind

colors: {
  custom: {
    50: '#7978a5',
    500: '#404580',
    950: '#000000',
  },
}

SCSS

$custom: #404580;
$custom-light: #7978a5;
$custom-dark: #000000;

JSON

{
  "hex": "#404580",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 128
  },
  "hsl": {
    "h": 235.313,
    "s": 33.333,
    "l": 37.647
  },
  "oklch": {
    "l": 0.41607,
    "c": 0.09755,
    "h": 277.6
  },
  "luminance": 0.06905
}

Semantic roles & 50–950 ramp

primary

#404580

secondary

#A8A474

accent

#C15EC9

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #404580

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

Preview Lab → · Contrast checker → · Palette generator →