#40559E#40559E

#40559E is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.120 H 269.3°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#40559E
RGB	rgb(64, 85, 158)
HSL	hsl(227, 42%, 44%)
HSV	hsv(227, 59%, 62%)
CMYK	cmyk(59.5%, 46.2%, 0%, 38%)
CIE-LAB	lab(37.94, 15.03, -42.25)
CIE-LCH	lch(37.94, 44.84, 289.58°)
OKLab	oklab(47.04% -0.0015 -0.1205)
OKLCH	oklch(47.04% 0.12 269.3)
XYZ	xyz(11.5323, 10.0547, 33.6742)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40559E #9E8940

analogous

#40849E #40559E #5A409E

triadic

#40559E #9E4055 #559E40

tetradic

#40559E #9E4084 #9E8940 #409E5A

square

#40559E #9E4084 #9E8940 #409E5A

split-complementary

#40559E #9E5A40 #849E40

monochromatic

#1D2647 #2E3E72 #40559E #5E73BE #8999CF

Accessibility & contrast

On white

6.97

#40559E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#40559E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40559E

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40559E	#FFFFFF	#000000	##FFFFFF
##40559E	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335EA1

Deuteranopia (green-blind)

#26559C

Tritanopia (blue-blind)

#006572

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #40559e;
/* rgb */ color: rgb(64, 85, 158);
/* oklch */ color: oklch(47.0% 0.120 269.3);

Tailwind

colors: {
  custom: {
    50: '#7d84bb',
    500: '#40559e',
    950: '#000000',
  },
}

SCSS

$custom: #40559e;
$custom-light: #7d84bb;
$custom-dark: #000000;

JSON

{
  "hex": "#40559e",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 158
  },
  "hsl": {
    "h": 226.596,
    "s": 42.342,
    "l": 43.529
  },
  "oklch": {
    "l": 0.47045,
    "c": 0.12048,
    "h": 269.3
  },
  "luminance": 0.10056
}

Semantic roles & 50–950 ramp

primary

#40559E

secondary

#BAAD80

accent

#B656D2

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #40559E

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

Preview Lab → · Contrast checker → · Palette generator →