#40359B#40359B

#40359B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.6% C 0.159 H 281.5°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#40359B
RGB	rgb(64, 53, 155)
HSL	hsl(246, 49%, 41%)
HSV	hsv(246, 66%, 61%)
CMYK	cmyk(58.7%, 65.8%, 0%, 39.2%)
CIE-LAB	lab(29.42, 34.65, -54.21)
CIE-LCH	lch(29.42, 64.34, 302.59°)
OKLab	oklab(40.61% 0.0318 -0.1559)
OKLCH	oklch(40.61% 0.159 281.5)
XYZ	xyz(9.3020, 6.0021, 31.6724)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.91

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40359B #909B35

analogous

#355D9B #40359B #73359B

triadic

#40359B #9B4035 #359B40

tetradic

#40359B #9B355D #909B35 #359B73

square

#40359B #9B355D #909B35 #359B73

split-complementary

#40359B #9B7335 #5D9B35

monochromatic

#1A1640 #2D256D #40359B #584CC2 #8379D1

Accessibility & contrast

On white

9.54

#40359B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#40359B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40359B

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40359B	#FFFFFF	#000000	##FFFFFF
##40359B	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#004299

Tritanopia (blue-blind)

#0A4F63

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #40359b;
/* rgb */ color: rgb(64, 53, 155);
/* oklch */ color: oklch(40.6% 0.159 281.5);

Tailwind

colors: {
  custom: {
    50: '#7f6db9',
    500: '#40359b',
    950: '#000000',
  },
}

SCSS

$custom: #40359b;
$custom-light: #7f6db9;
$custom-dark: #000000;

JSON

{
  "hex": "#40359b",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 155
  },
  "hsl": {
    "h": 246.471,
    "s": 49.038,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40611,
    "c": 0.15912,
    "h": 281.5
  },
  "luminance": 0.06003
}

Semantic roles & 50–950 ramp

primary

#40359B

secondary

#B2BA72

accent

#D94FCA

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #40359B

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

Preview Lab → · Contrast checker → · Palette generator →