#333A9D#333A9D

#333A9D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.158 H 273.9°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#333A9D
RGB	rgb(51, 58, 157)
HSL	hsl(236, 51%, 41%)
HSV	hsv(236, 68%, 62%)
CMYK	cmyk(67.5%, 63.1%, 0%, 38.4%)
CIE-LAB	lab(29.82, 30.07, -54.81)
CIE-LCH	lch(29.82, 62.52, 298.75°)
OKLab	oklab(40.71% 0.0107 -0.158)
OKLCH	oklch(40.71% 0.158 273.9)
XYZ	xyz(8.9621, 6.1634, 32.6091)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333A9D #9D9633

analogous

#336F9D #333A9D #61339D

triadic

#333A9D #9D333A #3A9D33

tetradic

#333A9D #9D336F #9D9633 #339D61

square

#333A9D #9D336F #9D9633 #339D61

split-complementary

#333A9D #9D6133 #6F9D33

monochromatic

#151841 #24296F #333A9D #4951C4 #777DD3

Accessibility & contrast

On white

9.41

#333A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#333A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333A9D

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333A9D	#FFFFFF	#000000	##FFFFFF
##333A9D	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00429B

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #333a9d;
/* rgb */ color: rgb(51, 58, 157);
/* oklch */ color: oklch(40.7% 0.158 273.9);

Tailwind

colors: {
  custom: {
    50: '#7870bb',
    500: '#333a9d',
    950: '#000000',
  },
}

SCSS

$custom: #333a9d;
$custom-light: #7870bb;
$custom-dark: #000000;

JSON

{
  "hex": "#333a9d",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 157
  },
  "hsl": {
    "h": 236.038,
    "s": 50.962,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40711,
    "c": 0.15839,
    "h": 273.9
  },
  "luminance": 0.06164
}

Semantic roles & 50–950 ramp

primary

#333A9D

secondary

#BBB670

accent

#D14DDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333A9D

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

Preview Lab → · Contrast checker → · Palette generator →