#33409B#33409B

#33409B is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.148 H 272.2°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#33409B
RGB	rgb(51, 64, 155)
HSL	hsl(233, 50%, 40%)
HSV	hsv(233, 67%, 61%)
CMYK	cmyk(67.1%, 58.7%, 0%, 39.2%)
CIE-LAB	lab(31.20, 25.40, -51.35)
CIE-LCH	lch(31.20, 57.29, 296.32°)
OKLab	oklab(41.68% 0.0056 -0.1478)
OKLCH	oklch(41.68% 0.148 272.2)
XYZ	xyz(9.1130, 6.7363, 31.8240)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33409B #9B8E33

analogous

#33749B #33409B #5A339B

triadic

#33409B #9B3340 #409B33

tetradic

#33409B #9B3374 #9B8E33 #339B5A

square

#33409B #9B3374 #9B8E33 #339B5A

split-complementary

#33409B #9B5A33 #749B33

monochromatic

#151A3F #242D6D #33409B #4858C3 #7682D2

Accessibility & contrast

On white

8.95

#33409B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#33409B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33409B

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33409B	#FFFFFF	#000000	##FFFFFF
##33409B	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #33409b;
/* rgb */ color: rgb(51, 64, 155);
/* oklch */ color: oklch(41.7% 0.148 272.2);

Tailwind

colors: {
  custom: {
    50: '#7774b9',
    500: '#33409b',
    950: '#000000',
  },
}

SCSS

$custom: #33409b;
$custom-light: #7774b9;
$custom-dark: #000000;

JSON

{
  "hex": "#33409b",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 155
  },
  "hsl": {
    "h": 232.5,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4168,
    "c": 0.14791,
    "h": 272.2
  },
  "luminance": 0.06737
}

Semantic roles & 50–950 ramp

primary

#33409B

secondary

#BAB16F

accent

#C84EDA

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #33409B

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

Preview Lab → · Contrast checker → · Palette generator →