#40359E#40359E

#40359E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.9% C 0.163 H 281.1°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#40359E
RGB	rgb(64, 53, 158)
HSL	hsl(246, 50%, 41%)
HSV	hsv(246, 66%, 62%)
CMYK	cmyk(59.5%, 66.5%, 0%, 38%)
CIE-LAB	lab(29.67, 35.64, -55.62)
CIE-LCH	lch(29.67, 66.05, 302.65°)
OKLab	oklab(40.88% 0.0314 -0.16)
OKLCH	oklch(40.88% 0.163 281.1)
XYZ	xyz(9.5571, 6.1042, 33.0157)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40359E #939E35

analogous

#355F9E #40359E #75359E

triadic

#40359E #9E4035 #359E40

tetradic

#40359E #9E355F #939E35 #359E75

square

#40359E #9E355F #939E35 #359E75

split-complementary

#40359E #9E7535 #5F9E35

monochromatic

#1B1642 #2D2670 #40359E #594DC3 #847BD3

Accessibility & contrast

On white

9.46

#40359E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#40359E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40359E

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40359E	#FFFFFF	#000000	##FFFFFF
##40359E	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#025064

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #40359e;
/* rgb */ color: rgb(64, 53, 158);
/* oklch */ color: oklch(40.9% 0.163 281.1);

Tailwind

colors: {
  custom: {
    50: '#7f6dbc',
    500: '#40359e',
    950: '#000000',
  },
}

SCSS

$custom: #40359e;
$custom-light: #7f6dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#40359e",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 158
  },
  "hsl": {
    "h": 246.286,
    "s": 49.763,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40877,
    "c": 0.16311,
    "h": 281.1
  },
  "luminance": 0.06105
}

Semantic roles & 50–950 ramp

primary

#40359E

secondary

#B4BB73

accent

#D94FCB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #40359E

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

Preview Lab → · Contrast checker → · Palette generator →