#33399C#33399C

#33399C is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.158 H 274.2°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#33399C
RGB	rgb(51, 57, 156)
HSL	hsl(237, 51%, 41%)
HSV	hsv(237, 67%, 61%)
CMYK	cmyk(67.3%, 63.5%, 0%, 38.8%)
CIE-LAB	lab(29.49, 30.36, -54.75)
CIE-LCH	lch(29.49, 62.60, 299.01°)
OKLab	oklab(40.44% 0.0116 -0.1578)
OKLCH	oklch(40.44% 0.158 274.2)
XYZ	xyz(8.8271, 6.0296, 32.1447)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33399C #9C9633

analogous

#336E9C #33399C #61339C

triadic

#33399C #9C3339 #399C33

tetradic

#33399C #9C336E #9C9633 #339C61

square

#33399C #9C336E #9C9633 #339C61

split-complementary

#33399C #9C6133 #6E9C33

monochromatic

#151740 #24286E #33399C #4950C3 #777CD3

Accessibility & contrast

On white

9.52

#33399C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#33399C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33399C

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33399C	#FFFFFF	#000000	##FFFFFF
##33399C	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #33399c;
/* rgb */ color: rgb(51, 57, 156);
/* oklch */ color: oklch(40.4% 0.158 274.2);

Tailwind

colors: {
  custom: {
    50: '#786fba',
    500: '#33399c',
    950: '#000000',
  },
}

SCSS

$custom: #33399c;
$custom-light: #786fba;
$custom-dark: #000000;

JSON

{
  "hex": "#33399c",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 156
  },
  "hsl": {
    "h": 236.571,
    "s": 50.725,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40439,
    "c": 0.15827,
    "h": 274.2
  },
  "luminance": 0.0603
}

Semantic roles & 50–950 ramp

primary

#33399C

secondary

#BBB770

accent

#D24EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #33399C

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

Preview Lab → · Contrast checker → · Palette generator →