#40499A#40499A

#40499A is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.3% C 0.131 H 274.9°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#40499A
RGB	rgb(64, 73, 154)
HSL	hsl(234, 41%, 43%)
HSV	hsv(234, 58%, 60%)
CMYK	cmyk(58.4%, 52.6%, 0%, 39.6%)
CIE-LAB	lab(34.37, 21.48, -45.57)
CIE-LCH	lch(34.37, 50.38, 295.24°)
OKLab	oklab(44.25% 0.0113 -0.1304)
OKLCH	oklch(44.25% 0.131 274.9)
XYZ	xyz(10.3277, 8.1874, 31.6017)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40499A #9A9140

analogous

#40769A #40499A #64409A

triadic

#40499A #9A4049 #499A40

tetradic

#40499A #9A4076 #9A9140 #409A64

square

#40499A #9A4076 #9A9140 #409A64

split-complementary

#40499A #9A6440 #769A40

monochromatic

#1C2044 #2E356F #40499A #5C65BB #878ECD

Accessibility & contrast

On white

7.96

#40499A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#40499A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40499A

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40499A	#FFFFFF	#000000	##FFFFFF
##40499A	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C559D

Deuteranopia (green-blind)

#084D98

Tritanopia (blue-blind)

#055B6A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #40499a;
/* rgb */ color: rgb(64, 73, 154);
/* oklch */ color: oklch(44.3% 0.131 274.9);

Tailwind

colors: {
  custom: {
    50: '#7d7bb8',
    500: '#40499a',
    950: '#000000',
  },
}

SCSS

$custom: #40499a;
$custom-light: #7d7bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#40499a",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 154
  },
  "hsl": {
    "h": 234,
    "s": 41.284,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44253,
    "c": 0.13087,
    "h": 274.9
  },
  "luminance": 0.08188
}

Semantic roles & 50–950 ramp

primary

#40499A

secondary

#B8B27E

accent

#C557D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #40499A

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

Preview Lab → · Contrast checker → · Palette generator →