#40419C#40419C

#40419C is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.145 H 277.9°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#40419C
RGB	rgb(64, 65, 156)
HSL	hsl(239, 42%, 43%)
HSV	hsv(239, 59%, 61%)
CMYK	cmyk(59%, 58.3%, 0%, 38.8%)
CIE-LAB	lab(32.41, 27.39, -49.94)
CIE-LCH	lch(32.41, 56.96, 298.74°)
OKLab	oklab(42.84% 0.0199 -0.1433)
OKLCH	oklch(42.84% 0.145 277.9)
XYZ	xyz(10.0035, 7.2702, 32.3222)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40419C #9C9B40

analogous

#406F9C #40419C #6D409C

triadic

#40419C #9C4041 #419C40

tetradic

#40419C #9C406F #9C9B40 #409C6D

square

#40419C #9C406F #9C9B40 #409C6D

split-complementary

#40419C #9C6D40 #6F9C40

monochromatic

#1C1D45 #2E2F71 #40419C #5D5EBC #8889CE

Accessibility & contrast

On white

8.56

#40419C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#40419C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40419C

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40419C	#FFFFFF	#000000	##FFFFFF
##40419C	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509F

Deuteranopia (green-blind)

#00489A

Tritanopia (blue-blind)

#035768

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #40419c;
/* rgb */ color: rgb(64, 65, 156);
/* oklch */ color: oklch(42.8% 0.145 277.9);

Tailwind

colors: {
  custom: {
    50: '#7e75ba',
    500: '#40419c',
    950: '#000000',
  },
}

SCSS

$custom: #40419c;
$custom-light: #7e75ba;
$custom-dark: #000000;

JSON

{
  "hex": "#40419c",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 156
  },
  "hsl": {
    "h": 239.348,
    "s": 41.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42837,
    "c": 0.14468,
    "h": 277.9
  },
  "luminance": 0.07271
}

Semantic roles & 50–950 ramp

primary

#40419C

secondary

#B9B87F

accent

#D056D2

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #40419C

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

Preview Lab → · Contrast checker → · Palette generator →