#40419D#40419D

#40419D is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.146 H 277.8°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#40419D
RGB	rgb(64, 65, 157)
HSL	hsl(239, 42%, 43%)
HSV	hsv(239, 59%, 62%)
CMYK	cmyk(59.2%, 58.6%, 0%, 38.4%)
CIE-LAB	lab(32.49, 27.73, -50.43)
CIE-LCH	lch(32.49, 57.55, 298.81°)
OKLab	oklab(42.92% 0.0199 -0.1447)
OKLCH	oklch(42.92% 0.146 277.8)
XYZ	xyz(10.0885, 7.3042, 32.7700)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40419D #9D9C40

analogous

#406F9D #40419D #6D409D

triadic

#40419D #9D4041 #419D40

tetradic

#40419D #9D406F #9D9C40 #409D6D

square

#40419D #9D406F #9D9C40 #409D6D

split-complementary

#40419D #9D6D40 #6F9D40

monochromatic

#1D1D46 #2E2F72 #40419D #5D5EBD #8989CF

Accessibility & contrast

On white

8.53

#40419D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#40419D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40419D

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40419D	#FFFFFF	#000000	##FFFFFF
##40419D	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A0

Deuteranopia (green-blind)

#00499B

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #40419d;
/* rgb */ color: rgb(64, 65, 157);
/* oklch */ color: oklch(42.9% 0.146 277.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40419d",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 157
  },
  "hsl": {
    "h": 239.355,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42916,
    "c": 0.1461,
    "h": 277.8
  },
  "luminance": 0.07305
}

Semantic roles & 50–950 ramp

primary

#40419D

secondary

#B9B97F

accent

#D156D2

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #40419D

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

Preview Lab → · Contrast checker → · Palette generator →