#33379B#33379B

#33379B is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.159 H 274.8°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#33379B
RGB	rgb(51, 55, 155)
HSL	hsl(238, 50%, 40%)
HSV	hsv(238, 67%, 61%)
CMYK	cmyk(67.1%, 64.5%, 0%, 39.2%)
CIE-LAB	lab(28.91, 31.30, -55.08)
CIE-LCH	lch(28.91, 63.36, 299.61°)
OKLab	oklab(39.99% 0.0133 -0.1589)
OKLCH	oklch(39.99% 0.159 274.8)
XYZ	xyz(8.6459, 5.8020, 31.6683)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33379B #9B9733

analogous

#336B9B #33379B #63339B

triadic

#33379B #9B3337 #379B33

tetradic

#33379B #9B336B #9B9733 #339B63

square

#33379B #9B336B #9B9733 #339B63

split-complementary

#33379B #9B6333 #6B9B33

monochromatic

#15163F #24276D #33379B #484DC3 #767AD2

Accessibility & contrast

On white

9.72

#33379B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#33379B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33379B

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33379B	#FFFFFF	#000000	##FFFFFF
##33379B	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#004099

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #33379b;
/* rgb */ color: rgb(51, 55, 155);
/* oklch */ color: oklch(40.0% 0.159 274.8);

Tailwind

colors: {
  custom: {
    50: '#786eb9',
    500: '#33379b',
    950: '#000000',
  },
}

SCSS

$custom: #33379b;
$custom-light: #786eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#33379b",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 155
  },
  "hsl": {
    "h": 237.692,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39987,
    "c": 0.15941,
    "h": 274.8
  },
  "luminance": 0.05803
}

Semantic roles & 50–950 ramp

primary

#33379B

secondary

#BAB86F

accent

#D54EDA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #33379B

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

Preview Lab → · Contrast checker → · Palette generator →