#40419F#40419F

#40419F is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.149 H 277.7°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#40419F
RGB	rgb(64, 65, 159)
HSL	hsl(239, 43%, 44%)
HSV	hsv(239, 60%, 62%)
CMYK	cmyk(59.7%, 59.1%, 0%, 37.6%)
CIE-LAB	lab(32.64, 28.42, -51.39)
CIE-LCH	lch(32.64, 58.72, 298.94°)
OKLab	oklab(43.08% 0.0199 -0.1476)
OKLCH	oklch(43.08% 0.149 277.7)
XYZ	xyz(10.2607, 7.3730, 33.6766)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40419F #9F9E40

analogous

#40709F #40419F #6E409F

triadic

#40419F #9F4041 #419F40

tetradic

#40419F #9F4070 #9F9E40 #409F6E

square

#40419F #9F4070 #9F9E40 #409F6E

split-complementary

#40419F #9F6E40 #709F40

monochromatic

#1D1D48 #2E2F73 #40419F #5E5FBE #8A8AD0

Accessibility & contrast

On white

8.49

#40419F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#40419F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40419F

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40419F	#FFFFFF	#000000	##FFFFFF
##40419F	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A2

Deuteranopia (green-blind)

#00499D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #40419f;
/* rgb */ color: rgb(64, 65, 159);
/* oklch */ color: oklch(43.1% 0.149 277.7);

Tailwind

colors: {
  custom: {
    50: '#7e75bc',
    500: '#40419f',
    950: '#000000',
  },
}

SCSS

$custom: #40419f;
$custom-light: #7e75bc;
$custom-dark: #000000;

JSON

{
  "hex": "#40419f",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 159
  },
  "hsl": {
    "h": 239.368,
    "s": 42.601,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43077,
    "c": 0.1489,
    "h": 277.7
  },
  "luminance": 0.07374
}

Semantic roles & 50–950 ramp

primary

#40419F

secondary

#BBBA80

accent

#D155D2

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #40419F

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

Preview Lab → · Contrast checker → · Palette generator →