#33309A#33309A

#33309A is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.167 H 276.5°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#33309A
RGB	rgb(51, 48, 154)
HSL	hsl(242, 52%, 40%)
HSV	hsv(242, 69%, 60%)
CMYK	cmyk(66.9%, 68.8%, 0%, 39.6%)
CIE-LAB	lab(27.16, 35.38, -57.34)
CIE-LCH	lch(27.16, 67.38, 301.68°)
OKLab	oklab(38.69% 0.0189 -0.1655)
OKLCH	oklch(38.69% 0.167 276.5)
XYZ	xyz(8.2530, 5.1501, 31.1247)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33309A #979A30

analogous

#30629A #33309A #68309A

triadic

#33309A #9A3330 #309A33

tetradic

#33309A #9A3062 #979A30 #309A68

square

#33309A #9A3062 #979A30 #309A68

split-complementary

#33309A #9A6830 #629A30

monochromatic

#14133D #24216B #33309A #4743C4 #7472D3

Accessibility & contrast

On white

10.34

#33309A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#33309A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33309A

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33309A	#FFFFFF	#000000	##FFFFFF
##33309A	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459D

Deuteranopia (green-blind)

#003C98

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #33309a;
/* rgb */ color: rgb(51, 48, 154);
/* oklch */ color: oklch(38.7% 0.167 276.5);

Tailwind

colors: {
  custom: {
    50: '#7869b9',
    500: '#33309a',
    950: '#000000',
  },
}

SCSS

$custom: #33309a;
$custom-light: #7869b9;
$custom-dark: #000000;

JSON

{
  "hex": "#33309a",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 154
  },
  "hsl": {
    "h": 241.698,
    "s": 52.475,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38687,
    "c": 0.16656,
    "h": 276.5
  },
  "luminance": 0.05151
}

Semantic roles & 50–950 ramp

primary

#33309A

secondary

#B8BB6B

accent

#DC4CD8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #33309A

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

Preview Lab → · Contrast checker → · Palette generator →