#33388F#33388F

#33388F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.141 H 275.2°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#33388F
RGB	rgb(51, 56, 143)
HSL	hsl(237, 47%, 38%)
HSV	hsv(237, 64%, 56%)
CMYK	cmyk(64.3%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(28.15, 26.37, -48.96)
CIE-LCH	lch(28.15, 55.61, 298.30°)
OKLab	oklab(39.12% 0.0129 -0.1409)
OKLCH	oklch(39.12% 0.141 275.2)
XYZ	xyz(7.7357, 5.5147, 26.6381)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33388F #8F8A33

analogous

#33668F #33388F #5C338F

triadic

#33388F #8F3338 #388F33

tetradic

#33388F #8F3366 #8F8A33 #338F5C

square

#33388F #8F3366 #8F8A33 #338F5C

split-complementary

#33388F #8F5C33 #668F33

monochromatic

#131535 #232662 #33388F #434ABC #7075CC

Accessibility & contrast

On white

9.99

#33388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#33388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33388F

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33388F	#FFFFFF	#000000	##FFFFFF
##33388F	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #33388f;
/* rgb */ color: rgb(51, 56, 143);
/* oklch */ color: oklch(39.1% 0.141 275.2);

Tailwind

colors: {
  custom: {
    50: '#756eb0',
    500: '#33388f',
    950: '#000000',
  },
}

SCSS

$custom: #33388f;
$custom-light: #756eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#33388f",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 236.739,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39118,
    "c": 0.14146,
    "h": 275.2
  },
  "luminance": 0.05515
}

Semantic roles & 50–950 ramp

primary

#33388F

secondary

#B4B06A

accent

#D051D7

background

#F7F6FA

surface

#EEECF5

border

#C9C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #33388F

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

Preview Lab → · Contrast checker → · Palette generator →