#333BA7#333BA7

#333BA7 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.171 H 273.1°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#333BA7
RGB	rgb(51, 59, 167)
HSL	hsl(236, 53%, 43%)
HSV	hsv(236, 69%, 65%)
CMYK	cmyk(69.5%, 64.7%, 0%, 34.5%)
CIE-LAB	lab(30.93, 32.99, -59.04)
CIE-LCH	lch(30.93, 67.64, 299.20°)
OKLab	oklab(41.79% 0.0093 -0.1704)
OKLCH	oklch(41.79% 0.171 273.1)
XYZ	xyz(9.9019, 6.6208, 37.3078)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333BA7 #A79F33

analogous

#3375A7 #333BA7 #6533A7

triadic

#333BA7 #A7333B #3BA733

tetradic

#333BA7 #A73375 #A79F33 #33A765

square

#333BA7 #A73375 #A79F33 #33A765

split-complementary

#333BA7 #A76533 #75A733

monochromatic

#161A49 #252A78 #333BA7 #4E57C9 #7D83D7

Accessibility & contrast

On white

9.03

#333BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#333BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BA7

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BA7	#FFFFFF	#000000	##FFFFFF
##333BA7	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAA

Deuteranopia (green-blind)

#0044A5

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333ba7;
/* rgb */ color: rgb(51, 59, 167);
/* oklch */ color: oklch(41.8% 0.171 273.1);

Tailwind

colors: {
  custom: {
    50: '#7a71c2',
    500: '#333ba7',
    950: '#000000',
  },
}

SCSS

$custom: #333ba7;
$custom-light: #7a71c2;
$custom-dark: #000000;

JSON

{
  "hex": "#333ba7",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 167
  },
  "hsl": {
    "h": 235.862,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41789,
    "c": 0.1707,
    "h": 273.1
  },
  "luminance": 0.06622
}

Semantic roles & 50–950 ramp

primary

#333BA7

secondary

#C0BB76

accent

#D34BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333BA7

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

Preview Lab → · Contrast checker → · Palette generator →