#33309F#33309F

#33309F is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.173 H 276.0°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#33309F
RGB	rgb(51, 48, 159)
HSL	hsl(242, 54%, 41%)
HSV	hsv(242, 70%, 62%)
CMYK	cmyk(67.9%, 69.8%, 0%, 37.6%)
CIE-LAB	lab(27.63, 37.10, -59.61)
CIE-LCH	lch(27.63, 70.21, 301.89°)
OKLab	oklab(39.17% 0.0182 -0.1721)
OKLCH	oklch(39.17% 0.173 276)
XYZ	xyz(8.6782, 5.3201, 33.3637)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33309F #9C9F30

analogous

#30649F #33309F #6B309F

triadic

#33309F #9F3330 #309F33

tetradic

#33309F #9F3064 #9C9F30 #309F6B

square

#33309F #9F3064 #9C9F30 #309F6B

split-complementary

#33309F #9F6B30 #649F30

monochromatic

#151441 #242270 #33309F #4945C7 #7774D5

Accessibility & contrast

On white

10.17

#33309F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#33309F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33309F

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33309F	#FFFFFF	#000000	##FFFFFF
##33309F	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A2

Deuteranopia (green-blind)

#003C9D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #33309f;
/* rgb */ color: rgb(51, 48, 159);
/* oklch */ color: oklch(39.2% 0.173 276.0);

Tailwind

colors: {
  custom: {
    50: '#7969bc',
    500: '#33309f',
    950: '#000000',
  },
}

SCSS

$custom: #33309f;
$custom-light: #7969bc;
$custom-dark: #000000;

JSON

{
  "hex": "#33309f",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 241.622,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39169,
    "c": 0.17311,
    "h": 276
  },
  "luminance": 0.05321
}

Semantic roles & 50–950 ramp

primary

#33309F

secondary

#BBBD6E

accent

#DD4BD9

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #33309F

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

Preview Lab → · Contrast checker → · Palette generator →