#33308E#33308E

#33308E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.150 H 277.7°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#33308E
RGB	rgb(51, 48, 142)
HSL	hsl(242, 49%, 37%)
HSV	hsv(242, 66%, 56%)
CMYK	cmyk(64.1%, 66.2%, 0%, 44.3%)
CIE-LAB	lab(26.07, 31.23, -51.74)
CIE-LCH	lch(26.07, 60.44, 301.12°)
OKLab	oklab(37.56% 0.0202 -0.1491)
OKLCH	oklch(37.56% 0.15 277.7)
XYZ	xyz(7.3031, 4.7701, 26.1218)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33308E #8B8E30

analogous

#305C8E #33308E #62308E

triadic

#33308E #8E3330 #308E33

tetradic

#33308E #8E305C #8B8E30 #308E62

square

#33308E #8E305C #8B8E30 #308E62

split-complementary

#33308E #8E6230 #5C8E30

monochromatic

#121133 #232160 #33308E #433FBC #6E6BCD

Accessibility & contrast

On white

10.75

#33308E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#33308E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33308E

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33308E	#FFFFFF	#000000	##FFFFFF
##33308E	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004291

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #33308e;
/* rgb */ color: rgb(51, 48, 142);
/* oklch */ color: oklch(37.6% 0.150 277.7);

Tailwind

colors: {
  custom: {
    50: '#7669b0',
    500: '#33308e',
    950: '#000000',
  },
}

SCSS

$custom: #33308e;
$custom-light: #7669b0;
$custom-dark: #000000;

JSON

{
  "hex": "#33308e",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 142
  },
  "hsl": {
    "h": 241.915,
    "s": 49.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37562,
    "c": 0.15044,
    "h": 277.7
  },
  "luminance": 0.04771
}

Semantic roles & 50–950 ramp

primary

#33308E

secondary

#B2B465

accent

#D94FD5

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #33308E

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

Preview Lab → · Contrast checker → · Palette generator →