#33308C#33308C

#33308C is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.148 H 277.9°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#33308C
RGB	rgb(51, 48, 140)
HSL	hsl(242, 49%, 37%)
HSV	hsv(242, 66%, 55%)
CMYK	cmyk(63.6%, 65.7%, 0%, 45.1%)
CIE-LAB	lab(25.89, 30.54, -50.79)
CIE-LCH	lch(25.89, 59.26, 301.02°)
OKLab	oklab(37.38% 0.0204 -0.1463)
OKLCH	oklch(37.38% 0.148 277.9)
XYZ	xyz(7.1543, 4.7106, 25.3381)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33308C #898C30

analogous

#305B8C #33308C #61308C

triadic

#33308C #8C3330 #308C33

tetradic

#33308C #8C305B #898C30 #308C61

square

#33308C #8C305B #898C30 #308C61

split-complementary

#33308C #8C6130 #5B8C30

monochromatic

#121131 #22205E #33308C #4440BA #6E6ACC

Accessibility & contrast

On white

10.81

#33308C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#33308C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33308C

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33308C	#FFFFFF	#000000	##FFFFFF
##33308C	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418F

Deuteranopia (green-blind)

#00398A

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #33308c;
/* rgb */ color: rgb(51, 48, 140);
/* oklch */ color: oklch(37.4% 0.148 277.9);

Tailwind

colors: {
  custom: {
    50: '#7569ae',
    500: '#33308c',
    950: '#000000',
  },
}

SCSS

$custom: #33308c;
$custom-light: #7569ae;
$custom-dark: #000000;

JSON

{
  "hex": "#33308c",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 140
  },
  "hsl": {
    "h": 241.957,
    "s": 48.936,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3738,
    "c": 0.14771,
    "h": 277.9
  },
  "luminance": 0.04711
}

Semantic roles & 50–950 ramp

primary

#33308C

secondary

#B1B364

accent

#D84FD4

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #33308C

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

Preview Lab → · Contrast checker → · Palette generator →