#40519A#40519A

#40519A is a mid, moderate blue. Relative luminance 0.093; OKLCH L 45.9% C 0.120 H 271.1°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#40519A
RGB	rgb(64, 81, 154)
HSL	hsl(229, 41%, 43%)
HSV	hsv(229, 58%, 60%)
CMYK	cmyk(58.4%, 47.4%, 0%, 39.6%)
CIE-LAB	lab(36.57, 16.24, -42.04)
CIE-LCH	lch(36.57, 45.07, 291.12°)
OKLab	oklab(45.92% 0.0024 -0.1199)
OKLCH	oklch(45.92% 0.12 271.1)
XYZ	xyz(10.8876, 9.3071, 31.7883)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40519A #9A8940

analogous

#407E9A #40519A #5C409A

triadic

#40519A #9A4051 #519A40

tetradic

#40519A #9A407E #9A8940 #409A5C

square

#40519A #9A407E #9A8940 #409A5C

split-complementary

#40519A #9A5C40 #7E9A40

monochromatic

#1C2444 #2E3A6F #40519A #5C6EBB #8794CD

Accessibility & contrast

On white

7.34

#40519A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#40519A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40519A

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40519A	#FFFFFF	#000000	##FFFFFF
##40519A	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5A9D

Deuteranopia (green-blind)

#225298

Tritanopia (blue-blind)

#01616E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #40519a;
/* rgb */ color: rgb(64, 81, 154);
/* oklch */ color: oklch(45.9% 0.120 271.1);

Tailwind

colors: {
  custom: {
    50: '#7d81b8',
    500: '#40519a',
    950: '#000000',
  },
}

SCSS

$custom: #40519a;
$custom-light: #7d81b8;
$custom-dark: #000000;

JSON

{
  "hex": "#40519a",
  "rgb": {
    "r": 64,
    "g": 81,
    "b": 154
  },
  "hsl": {
    "h": 228.667,
    "s": 41.284,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45918,
    "c": 0.11993,
    "h": 271.1
  },
  "luminance": 0.09308
}

Semantic roles & 50–950 ramp

primary

#40519A

secondary

#B8AD7E

accent

#BA57D1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #40519A

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

Preview Lab → · Contrast checker → · Palette generator →