#333EB7#333EB7

#333EB7 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.188 H 271.8°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#333EB7
RGB	rgb(51, 62, 183)
HSL	hsl(235, 56%, 46%)
HSV	hsv(235, 72%, 72%)
CMYK	cmyk(72.1%, 66.1%, 0%, 28.2%)
CIE-LAB	lab(33.06, 36.76, -65.08)
CIE-LCH	lch(33.06, 74.75, 299.46°)
OKLab	oklab(43.79% 0.0061 -0.1881)
OKLCH	oklch(43.79% 0.188 271.8)
XYZ	xyz(11.6322, 7.5668, 45.6381)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333EB7 #B7AC33

analogous

#3380B7 #333EB7 #6A33B7

triadic

#333EB7 #B7333E #3EB733

tetradic

#333EB7 #B73380 #B7AC33 #33B76A

square

#333EB7 #B73380 #B7AC33 #33B76A

split-complementary

#333EB7 #B76A33 #80B733

monochromatic

#181E57 #262E87 #333EB7 #5761D0 #878EDE

Accessibility & contrast

On white

8.35

#333EB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#333EB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333EB7

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333EB7	#FFFFFF	#000000	##FFFFFF
##333EB7	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BB

Deuteranopia (green-blind)

#0048B5

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333eb7;
/* rgb */ color: rgb(51, 62, 183);
/* oklch */ color: oklch(43.8% 0.188 271.8);

Tailwind

colors: {
  custom: {
    50: '#7e73ce',
    500: '#333eb7',
    950: '#000000',
  },
}

SCSS

$custom: #333eb7;
$custom-light: #7e73ce;
$custom-dark: #000000;

JSON

{
  "hex": "#333eb7",
  "rgb": {
    "r": 51,
    "g": 62,
    "b": 183
  },
  "hsl": {
    "h": 235,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43786,
    "c": 0.18822,
    "h": 271.8
  },
  "luminance": 0.07568
}

Semantic roles & 50–950 ramp

primary

#333EB7

secondary

#C7C17F

accent

#D348E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #333EB7

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

Preview Lab → · Contrast checker → · Palette generator →