#40559F#40559F

#40559F is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.1% C 0.122 H 269.4°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#40559F
RGB	rgb(64, 85, 159)
HSL	hsl(227, 43%, 44%)
HSV	hsv(227, 60%, 62%)
CMYK	cmyk(59.7%, 46.5%, 0%, 37.6%)
CIE-LAB	lab(38.00, 15.38, -42.75)
CIE-LCH	lch(38.00, 45.43, 289.79°)
OKLab	oklab(47.11% -0.0013 -0.1219)
OKLCH	oklch(47.11% 0.122 269.4)
XYZ	xyz(11.6188, 10.0893, 34.1293)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40559F #9F8A40

analogous

#40849F #40559F #5A409F

triadic

#40559F #9F4055 #559F40

tetradic

#40559F #9F4084 #9F8A40 #409F5A

square

#40559F #9F4084 #9F8A40 #409F5A

split-complementary

#40559F #9F5A40 #849F40

monochromatic

#1D2648 #2E3E73 #40559F #5E73BE #8A99D0

Accessibility & contrast

On white

6.96

#40559F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#40559F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40559F

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40559F	#FFFFFF	#000000	##FFFFFF
##40559F	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325EA2

Deuteranopia (green-blind)

#24559D

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #40559f;
/* rgb */ color: rgb(64, 85, 159);
/* oklch */ color: oklch(47.1% 0.122 269.4);

Tailwind

colors: {
  custom: {
    50: '#7d84bc',
    500: '#40559f',
    950: '#000000',
  },
}

SCSS

$custom: #40559f;
$custom-light: #7d84bc;
$custom-dark: #000000;

JSON

{
  "hex": "#40559f",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 159
  },
  "hsl": {
    "h": 226.737,
    "s": 42.601,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47112,
    "c": 0.12195,
    "h": 269.4
  },
  "luminance": 0.1009
}

Semantic roles & 50–950 ramp

primary

#40559F

secondary

#BBAE80

accent

#B755D2

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #40559F

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

Preview Lab → · Contrast checker → · Palette generator →