#33428F#33428F

#33428F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.128 H 271.4°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#33428F
RGB	rgb(51, 66, 143)
HSL	hsl(230, 47%, 38%)
HSV	hsv(230, 64%, 56%)
CMYK	cmyk(64.3%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(30.84, 19.67, -44.61)
CIE-LCH	lch(30.84, 48.76, 293.80°)
OKLab	oklab(41.12% 0.0031 -0.128)
OKLCH	oklch(41.12% 0.128 271.4)
XYZ	xyz(8.2697, 6.5827, 26.8161)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33428F #8F8033

analogous

#33708F #33428F #52338F

triadic

#33428F #8F3342 #428F33

tetradic

#33428F #8F3370 #8F8033 #338F52

square

#33428F #8F3370 #8F8033 #338F52

split-complementary

#33428F #8F5233 #708F33

monochromatic

#131835 #232D62 #33428F #4357BC #707FCC

Accessibility & contrast

On white

9.07

#33428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#33428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33428F

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33428F	#FFFFFF	#000000	##FFFFFF
##33428F	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124D92

Deuteranopia (green-blind)

#00458D

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #33428f;
/* rgb */ color: rgb(51, 66, 143);
/* oklch */ color: oklch(41.1% 0.128 271.4);

Tailwind

colors: {
  custom: {
    50: '#7576b0',
    500: '#33428f',
    950: '#000000',
  },
}

SCSS

$custom: #33428f;
$custom-light: #7576b0;
$custom-dark: #000000;

JSON

{
  "hex": "#33428f",
  "rgb": {
    "r": 51,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 230.217,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.41123,
    "c": 0.128,
    "h": 271.4
  },
  "luminance": 0.06583
}

Semantic roles & 50–950 ramp

primary

#33428F

secondary

#B4A86A

accent

#C151D7

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #33428F

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

Preview Lab → · Contrast checker → · Palette generator →