#33399A#33399A

#33399A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.156 H 274.3°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#33399A
RGB	rgb(51, 57, 154)
HSL	hsl(237, 50%, 40%)
HSV	hsv(237, 67%, 60%)
CMYK	cmyk(66.9%, 63%, 0%, 39.6%)
CIE-LAB	lab(29.32, 29.65, -53.81)
CIE-LCH	lch(29.32, 61.43, 298.86°)
OKLab	oklab(40.26% 0.0117 -0.1551)
OKLCH	oklch(40.26% 0.156 274.3)
XYZ	xyz(8.6592, 5.9624, 31.2601)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33399A #9A9433

analogous

#336C9A #33399A #61339A

triadic

#33399A #9A3339 #399A33

tetradic

#33399A #9A336C #9A9433 #339A61

square

#33399A #9A336C #9A9433 #339A61

split-complementary

#33399A #9A6133 #6C9A33

monochromatic

#15173E #24286C #33399A #484FC2 #767BD2

Accessibility & contrast

On white

9.58

#33399A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#33399A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33399A

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33399A	#FFFFFF	#000000	##FFFFFF
##33399A	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #33399a;
/* rgb */ color: rgb(51, 57, 154);
/* oklch */ color: oklch(40.3% 0.156 274.3);

Tailwind

colors: {
  custom: {
    50: '#786fb9',
    500: '#33399a',
    950: '#000000',
  },
}

SCSS

$custom: #33399a;
$custom-light: #786fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#33399a",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 154
  },
  "hsl": {
    "h": 236.505,
    "s": 50.244,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40261,
    "c": 0.15553,
    "h": 274.3
  },
  "luminance": 0.05963
}

Semantic roles & 50–950 ramp

primary

#33399A

secondary

#BAB66F

accent

#D24EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #33399A

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

Preview Lab → · Contrast checker → · Palette generator →