#33478C#33478C

#33478C is a dark, moderate blue. Relative luminance 0.071; OKLCH L 42.0% C 0.117 H 268.8°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#33478C
RGB	rgb(51, 71, 140)
HSL	hsl(227, 47%, 37%)
HSV	hsv(227, 64%, 55%)
CMYK	cmyk(63.6%, 49.3%, 0%, 45.1%)
CIE-LAB	lab(32.04, 15.21, -40.83)
CIE-LCH	lch(32.04, 43.57, 290.43°)
OKLab	oklab(41.97% -0.0025 -0.1168)
OKLCH	oklch(41.97% 0.117 268.8)
XYZ	xyz(8.3505, 7.1030, 25.7368)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33478C #8C7833

analogous

#33738C #33478C #4C338C

triadic

#33478C #8C3347 #478C33

tetradic

#33478C #8C3373 #8C7833 #338C4C

square

#33478C #8C3373 #8C7833 #338C4C

split-complementary

#33478C #8C4C33 #738C33

monochromatic

#121A32 #23305F #33478C #435EB9 #6F83CB

Accessibility & contrast

On white

8.67

#33478C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#33478C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33478C

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33478C	#FFFFFF	#000000	##FFFFFF
##33478C	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24508F

Deuteranopia (green-blind)

#13488B

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #33478c;
/* rgb */ color: rgb(51, 71, 140);
/* oklch */ color: oklch(42.0% 0.117 268.8);

Tailwind

colors: {
  custom: {
    50: '#7479ae',
    500: '#33478c',
    950: '#000000',
  },
}

SCSS

$custom: #33478c;
$custom-light: #7479ae;
$custom-dark: #000000;

JSON

{
  "hex": "#33478c",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 140
  },
  "hsl": {
    "h": 226.517,
    "s": 46.597,
    "l": 37.451
  },
  "oklch": {
    "l": 0.41968,
    "c": 0.1168,
    "h": 268.8
  },
  "luminance": 0.07104
}

Semantic roles & 50–950 ramp

primary

#33478C

secondary

#B2A268

accent

#B852D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #33478C

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

Preview Lab → · Contrast checker → · Palette generator →