#33309D#33309D

#33309D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.171 H 276.2°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#33309D
RGB	rgb(51, 48, 157)
HSL	hsl(242, 53%, 40%)
HSV	hsv(242, 69%, 62%)
CMYK	cmyk(67.5%, 69.4%, 0%, 38.4%)
CIE-LAB	lab(27.44, 36.41, -58.71)
CIE-LCH	lch(27.44, 69.08, 301.81°)
OKLab	oklab(38.98% 0.0184 -0.1695)
OKLCH	oklch(38.98% 0.171 276.2)
XYZ	xyz(8.5060, 5.2513, 32.4571)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33309D #9A9D30

analogous

#30649D #33309D #69309D

triadic

#33309D #9D3330 #309D33

tetradic

#33309D #9D3064 #9A9D30 #309D69

square

#33309D #9D3064 #9A9D30 #309D69

split-complementary

#33309D #9D6930 #649D30

monochromatic

#15133F #24226E #33309D #4844C6 #7673D4

Accessibility & contrast

On white

10.24

#33309D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#33309D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33309D

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33309D	#FFFFFF	#000000	##FFFFFF
##33309D	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #33309d;
/* rgb */ color: rgb(51, 48, 157);
/* oklch */ color: oklch(39.0% 0.171 276.2);

Tailwind

colors: {
  custom: {
    50: '#7969bb',
    500: '#33309d',
    950: '#000000',
  },
}

SCSS

$custom: #33309d;
$custom-light: #7969bb;
$custom-dark: #000000;

JSON

{
  "hex": "#33309d",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 157
  },
  "hsl": {
    "h": 241.651,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38975,
    "c": 0.1705,
    "h": 276.2
  },
  "luminance": 0.05252
}

Semantic roles & 50–950 ramp

primary

#33309D

secondary

#BABC6D

accent

#DD4BD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #33309D

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

Preview Lab → · Contrast checker → · Palette generator →