#33339B#33339B

#33339B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.3% C 0.164 H 275.7°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#33339B
RGB	rgb(51, 51, 155)
HSL	hsl(240, 50%, 40%)
HSV	hsv(240, 67%, 61%)
CMYK	cmyk(67.1%, 67.1%, 0%, 39.2%)
CIE-LAB	lab(27.95, 33.85, -56.66)
CIE-LCH	lch(27.95, 66.00, 300.86°)
OKLab	oklab(39.29% 0.0164 -0.1635)
OKLCH	oklch(39.29% 0.164 275.7)
XYZ	xyz(8.4635, 5.4373, 31.6075)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33339B #9B9B33

analogous

#33679B #33339B #67339B

triadic

#33339B #9B3333 #339B33

tetradic

#33339B #9B3367 #9B9B33 #339B67

square

#33339B #9B3367 #9B9B33 #339B67

split-complementary

#33339B #9B6733 #679B33

monochromatic

#15153F #24246D #33339B #4848C3 #7676D2

Accessibility & contrast

On white

10.06

#33339B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#33339B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33339B

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33339B	#FFFFFF	#000000	##FFFFFF
##33339B	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #33339b;
/* rgb */ color: rgb(51, 51, 155);
/* oklch */ color: oklch(39.3% 0.164 275.7);

Tailwind

colors: {
  custom: {
    50: '#786bb9',
    500: '#33339b',
    950: '#000000',
  },
}

SCSS

$custom: #33339b;
$custom-light: #786bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#33339b",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 155
  },
  "hsl": {
    "h": 240,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39286,
    "c": 0.16431,
    "h": 275.7
  },
  "luminance": 0.05438
}

Semantic roles & 50–950 ramp

primary

#33339B

secondary

#BABA6F

accent

#DA4EDA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #33339B

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

Preview Lab → · Contrast checker → · Palette generator →