#33518C#33518C

#33518C is a dark, moderate blue. Relative luminance 0.085; OKLCH L 44.2% C 0.104 H 262.6°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#33518C
RGB	rgb(51, 81, 140)
HSL	hsl(220, 47%, 37%)
HSV	hsv(220, 64%, 55%)
CMYK	cmyk(63.6%, 42.1%, 0%, 45.1%)
CIE-LAB	lab(34.97, 8.55, -36.15)
CIE-LCH	lch(34.97, 37.15, 283.31°)
OKLab	oklab(44.21% -0.0134 -0.1029)
OKLCH	oklch(44.21% 0.104 262.6)
XYZ	xyz(9.0396, 8.4813, 25.9665)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33518C #8C6E33

analogous

#337E8C #33518C #41338C

triadic

#33518C #8C3351 #518C33

tetradic

#33518C #8C337E #8C6E33 #338C41

square

#33518C #8C337E #8C6E33 #338C41

split-complementary

#33518C #8C4133 #7E8C33

monochromatic

#121D32 #23375F #33518C #436BB9 #6F8ECB

Accessibility & contrast

On white

7.79

#33518C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#33518C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33518C

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33518C	#FFFFFF	#000000	##FFFFFF
##33518C	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37578E

Deuteranopia (green-blind)

#2A4E8B

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #33518c;
/* rgb */ color: rgb(51, 81, 140);
/* oklch */ color: oklch(44.2% 0.104 262.6);

Tailwind

colors: {
  custom: {
    50: '#7381ae',
    500: '#33518c',
    950: '#000000',
  },
}

SCSS

$custom: #33518c;
$custom-light: #7381ae;
$custom-dark: #000000;

JSON

{
  "hex": "#33518c",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 140
  },
  "hsl": {
    "h": 219.775,
    "s": 46.597,
    "l": 37.451
  },
  "oklch": {
    "l": 0.44212,
    "c": 0.10377,
    "h": 262.6
  },
  "luminance": 0.08482
}

Semantic roles & 50–950 ramp

primary

#33518C

secondary

#B29968

accent

#AA52D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #33518C

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

Preview Lab → · Contrast checker → · Palette generator →