#33309E#33309E

#33309E is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.172 H 276.1°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#33309E
RGB	rgb(51, 48, 158)
HSL	hsl(242, 53%, 40%)
HSV	hsv(242, 70%, 62%)
CMYK	cmyk(67.7%, 69.6%, 0%, 38%)
CIE-LAB	lab(27.53, 36.75, -59.16)
CIE-LCH	lch(27.53, 69.65, 301.85°)
OKLab	oklab(39.07% 0.0183 -0.1708)
OKLCH	oklch(39.07% 0.172 276.1)
XYZ	xyz(8.5917, 5.2856, 32.9086)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33309E #9B9E30

analogous

#30649E #33309E #6A309E

triadic

#33309E #9E3330 #309E33

tetradic

#33309E #9E3064 #9B9E30 #309E6A

square

#33309E #9E3064 #9B9E30 #309E6A

split-complementary

#33309E #9E6A30 #649E30

monochromatic

#151340 #24226F #33309E #4845C6 #7674D5

Accessibility & contrast

On white

10.21

#33309E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#33309E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33309E

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33309E	#FFFFFF	#000000	##FFFFFF
##33309E	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A1

Deuteranopia (green-blind)

#003C9C

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #33309e;
/* rgb */ color: rgb(51, 48, 158);
/* oklch */ color: oklch(39.1% 0.172 276.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#33309e",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 241.636,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39072,
    "c": 0.17181,
    "h": 276.1
  },
  "luminance": 0.05286
}

Semantic roles & 50–950 ramp

primary

#33309E

secondary

#BABD6D

accent

#DD4BD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #33309E

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

Preview Lab → · Contrast checker → · Palette generator →