#40419E#40419E

#40419E is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.147 H 277.7°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#40419E
RGB	rgb(64, 65, 158)
HSL	hsl(239, 42%, 44%)
HSV	hsv(239, 59%, 62%)
CMYK	cmyk(59.5%, 58.9%, 0%, 38%)
CIE-LAB	lab(32.57, 28.07, -50.91)
CIE-LCH	lch(32.57, 58.14, 298.87°)
OKLab	oklab(43% 0.0199 -0.1461)
OKLCH	oklch(43% 0.148 277.7)
XYZ	xyz(10.1742, 7.3385, 33.2214)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40419E #9E9D40

analogous

#40709E #40419E #6E409E

triadic

#40419E #9E4041 #419E40

tetradic

#40419E #9E4070 #9E9D40 #409E6E

square

#40419E #9E4070 #9E9D40 #409E6E

split-complementary

#40419E #9E6E40 #709E40

monochromatic

#1D1D47 #2E2F72 #40419E #5E5FBE #898ACF

Accessibility & contrast

On white

8.51

#40419E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#40419E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40419E

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40419E	#FFFFFF	#000000	##FFFFFF
##40419E	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A1

Deuteranopia (green-blind)

#00499C

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #40419e;
/* rgb */ color: rgb(64, 65, 158);
/* oklch */ color: oklch(43.0% 0.147 277.7);

Tailwind

colors: {
  custom: {
    50: '#7e75bb',
    500: '#40419e',
    950: '#000000',
  },
}

SCSS

$custom: #40419e;
$custom-light: #7e75bb;
$custom-dark: #000000;

JSON

{
  "hex": "#40419e",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 158
  },
  "hsl": {
    "h": 239.362,
    "s": 42.342,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42996,
    "c": 0.1475,
    "h": 277.7
  },
  "luminance": 0.07339
}

Semantic roles & 50–950 ramp

primary

#40419E

secondary

#BAB980

accent

#D156D2

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #40419E

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

Preview Lab → · Contrast checker → · Palette generator →