#40359A#40359A

#40359A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.158 H 281.7°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#40359A
RGB	rgb(64, 53, 154)
HSL	hsl(247, 49%, 41%)
HSV	hsv(247, 66%, 60%)
CMYK	cmyk(58.4%, 65.6%, 0%, 39.6%)
CIE-LAB	lab(29.33, 34.32, -53.74)
CIE-LCH	lch(29.33, 63.76, 302.57°)
OKLab	oklab(40.52% 0.0319 -0.1545)
OKLCH	oklch(40.52% 0.158 281.7)
XYZ	xyz(9.2184, 5.9687, 31.2319)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.04

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40359A #8F9A35

analogous

#355C9A #40359A #72359A

triadic

#40359A #9A4035 #359A40

tetradic

#40359A #9A355C #8F9A35 #359A72

square

#40359A #9A355C #8F9A35 #359A72

split-complementary

#40359A #9A7235 #5C9A35

monochromatic

#1A163F #2D256C #40359A #584BC1 #8279D1

Accessibility & contrast

On white

9.57

#40359A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#40359A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40359A

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40359A	#FFFFFF	#000000	##FFFFFF
##40359A	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#0D4E62

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #40359a;
/* rgb */ color: rgb(64, 53, 154);
/* oklch */ color: oklch(40.5% 0.158 281.7);

Tailwind

colors: {
  custom: {
    50: '#7e6db9',
    500: '#40359a',
    950: '#000000',
  },
}

SCSS

$custom: #40359a;
$custom-light: #7e6db9;
$custom-dark: #000000;

JSON

{
  "hex": "#40359a",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 154
  },
  "hsl": {
    "h": 246.535,
    "s": 48.792,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40524,
    "c": 0.15779,
    "h": 281.7
  },
  "luminance": 0.05969
}

Semantic roles & 50–950 ramp

primary

#40359A

secondary

#B2B971

accent

#D84FC9

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #40359A

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

Preview Lab → · Contrast checker → · Palette generator →