#333FA2#333FA2

#333FA2 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.159 H 272.3°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#333FA2
RGB	rgb(51, 63, 162)
HSL	hsl(234, 52%, 42%)
HSV	hsv(234, 69%, 64%)
CMYK	cmyk(68.5%, 61.1%, 0%, 36.5%)
CIE-LAB	lab(31.50, 28.61, -55.09)
CIE-LCH	lch(31.50, 62.08, 297.44°)
OKLab	oklab(42.08% 0.0064 -0.1588)
OKLCH	oklch(42.08% 0.159 272.3)
XYZ	xyz(9.6621, 6.8666, 34.9916)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333FA2 #A29633

analogous

#3377A2 #333FA2 #5F33A2

triadic

#333FA2 #A2333F #3FA233

tetradic

#333FA2 #A23377 #A29633 #33A25F

square

#333FA2 #A23377 #A29633 #33A25F

split-complementary

#333FA2 #A25F33 #77A233

monochromatic

#161B45 #242D73 #333FA2 #4C59C7 #7A84D5

Accessibility & contrast

On white

8.85

#333FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#333FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333FA2

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333FA2	#FFFFFF	#000000	##FFFFFF
##333FA2	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0045A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #333fa2;
/* rgb */ color: rgb(51, 63, 162);
/* oklch */ color: oklch(42.1% 0.159 272.3);

Tailwind

colors: {
  custom: {
    50: '#7974be',
    500: '#333fa2',
    950: '#000000',
  },
}

SCSS

$custom: #333fa2;
$custom-light: #7974be;
$custom-dark: #000000;

JSON

{
  "hex": "#333fa2",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 162
  },
  "hsl": {
    "h": 233.514,
    "s": 52.113,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4208,
    "c": 0.15895,
    "h": 272.3
  },
  "luminance": 0.06867
}

Semantic roles & 50–950 ramp

primary

#333FA2

secondary

#BEB673

accent

#CC4CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #333FA2

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

Preview Lab → · Contrast checker → · Palette generator →