#33428C#33428C

#33428C is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.124 H 271.3°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#33428C
RGB	rgb(51, 66, 140)
HSL	hsl(230, 47%, 37%)
HSV	hsv(230, 64%, 55%)
CMYK	cmyk(63.6%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(30.62, 18.57, -43.11)
CIE-LCH	lch(30.62, 46.94, 293.31°)
OKLab	oklab(40.89% 0.0028 -0.1235)
OKLCH	oklch(40.89% 0.124 271.3)
XYZ	xyz(8.0455, 6.4930, 25.6352)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33428C #8C7D33

analogous

#336E8C #33428C #51338C

triadic

#33428C #8C3342 #428C33

tetradic

#33428C #8C336E #8C7D33 #338C51

square

#33428C #8C336E #8C7D33 #338C51

split-complementary

#33428C #8C5133 #6E8C33

monochromatic

#121832 #232D5F #33428C #4357B9 #6F7ECB

Accessibility & contrast

On white

9.14

#33428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#33428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33428C

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33428C	#FFFFFF	#000000	##FFFFFF
##33428C	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174C8F

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #33428c;
/* rgb */ color: rgb(51, 66, 140);
/* oklch */ color: oklch(40.9% 0.124 271.3);

Tailwind

colors: {
  custom: {
    50: '#7476ae',
    500: '#33428c',
    950: '#000000',
  },
}

SCSS

$custom: #33428c;
$custom-light: #7476ae;
$custom-dark: #000000;

JSON

{
  "hex": "#33428c",
  "rgb": {
    "r": 51,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 229.888,
    "s": 46.597,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40894,
    "c": 0.12358,
    "h": 271.3
  },
  "luminance": 0.06494
}

Semantic roles & 50–950 ramp

primary

#33428C

secondary

#B2A668

accent

#C052D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #33428C

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

Preview Lab → · Contrast checker → · Palette generator →