#333CBD#333CBD

#333CBD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.198 H 271.9°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#333CBD
RGB	rgb(51, 60, 189)
HSL	hsl(236, 58%, 47%)
HSV	hsv(236, 73%, 74%)
CMYK	cmyk(73%, 68.3%, 0%, 25.9%)
CIE-LAB	lab(33.15, 40.10, -68.48)
CIE-LCH	lch(33.15, 79.35, 300.35°)
OKLab	oklab(44.02% 0.0067 -0.198)
OKLCH	oklch(44.02% 0.198 271.9)
XYZ	xyz(12.1633, 7.6084, 48.9618)
Luminance	0.0761 (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

#333CBD #BDB433

analogous

#3381BD #333CBD #6F33BD

triadic

#333CBD #BD333C #3CBD33

tetradic

#333CBD #BD3381 #BDB433 #33BD6F

square

#333CBD #BD3381 #BDB433 #33BD6F

split-complementary

#333CBD #BD6F33 #81BD33

monochromatic

#191D5D #262D8D #333CBD #5B62D3 #8B90E0

Accessibility & contrast

On white

8.33

#333CBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#333CBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CBD

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CBD	#FFFFFF	#000000	##FFFFFF
##333CBD	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#0047BB

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333cbd;
/* rgb */ color: rgb(51, 60, 189);
/* oklch */ color: oklch(44.0% 0.198 271.9);

Tailwind

colors: {
  custom: {
    50: '#7f72d2',
    500: '#333cbd',
    950: '#000000',
  },
}

SCSS

$custom: #333cbd;
$custom-light: #7f72d2;
$custom-dark: #000000;

JSON

{
  "hex": "#333cbd",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 189
  },
  "hsl": {
    "h": 236.087,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.4402,
    "c": 0.19816,
    "h": 271.9
  },
  "luminance": 0.0761
}

Semantic roles & 50–950 ramp

primary

#333CBD

secondary

#CAC582

accent

#D747E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333CBD

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

Preview Lab → · Contrast checker → · Palette generator →