#33308F#33308F

#33308F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.7% C 0.152 H 277.6°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#33308F
RGB	rgb(51, 48, 143)
HSL	hsl(242, 50%, 37%)
HSV	hsv(242, 66%, 56%)
CMYK	cmyk(64.3%, 66.4%, 0%, 43.9%)
CIE-LAB	lab(26.16, 31.58, -52.21)
CIE-LCH	lch(26.16, 61.02, 301.17°)
OKLab	oklab(37.65% 0.0201 -0.1505)
OKLCH	oklch(37.65% 0.152 277.6)
XYZ	xyz(7.3785, 4.8003, 26.5190)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33308F #8C8F30

analogous

#305C8F #33308F #63308F

triadic

#33308F #8F3330 #308F33

tetradic

#33308F #8F305C #8C8F30 #308F63

square

#33308F #8F305C #8C8F30 #308F63

split-complementary

#33308F #8F6330 #5C8F30

monochromatic

#121133 #232161 #33308F #433FBD #6F6CCE

Accessibility & contrast

On white

10.71

#33308F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#33308F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33308F

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33308F	#FFFFFF	#000000	##FFFFFF
##33308F	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004292

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#00485B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #33308f;
/* rgb */ color: rgb(51, 48, 143);
/* oklch */ color: oklch(37.7% 0.152 277.6);

Tailwind

colors: {
  custom: {
    50: '#7669b1',
    500: '#33308f',
    950: '#000000',
  },
}

SCSS

$custom: #33308f;
$custom-light: #7669b1;
$custom-dark: #000000;

JSON

{
  "hex": "#33308f",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 143
  },
  "hsl": {
    "h": 241.895,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37654,
    "c": 0.15181,
    "h": 277.6
  },
  "luminance": 0.04801
}

Semantic roles & 50–950 ramp

primary

#33308F

secondary

#B2B566

accent

#D94FD5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #33308F

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

Preview Lab → · Contrast checker → · Palette generator →