#333CC5#333CC5

#333CC5 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 44.8% C 0.208 H 271.6°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#333CC5
RGB	rgb(51, 60, 197)
HSL	hsl(236, 59%, 49%)
HSV	hsv(236, 74%, 77%)
CMYK	cmyk(74.1%, 69.5%, 0%, 22.7%)
CIE-LAB	lab(33.91, 42.85, -71.93)
CIE-LCH	lch(33.91, 83.72, 300.78°)
OKLab	oklab(44.8% 0.0058 -0.2081)
OKLCH	oklch(44.8% 0.208 271.6)
XYZ	xyz(13.0557, 7.9654, 53.6619)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.39

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333CC5 #C5BC33

analogous

#3385C5 #333CC5 #7333C5

triadic

#333CC5 #C5333C #3CC533

tetradic

#333CC5 #C53385 #C5BC33 #33C573

square

#333CC5 #C53385 #C5BC33 #33C573

split-complementary

#333CC5 #C57333 #85C533

monochromatic

#1A1E64 #262D94 #333CC5 #5F67D6 #9095E2

Accessibility & contrast

On white

8.10

#333CC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#333CC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CC5

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CC5	#FFFFFF	#000000	##FFFFFF
##333CC5	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C9

Deuteranopia (green-blind)

#0049C2

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #333cc5;
/* rgb */ color: rgb(51, 60, 197);
/* oklch */ color: oklch(44.8% 0.208 271.6);

Tailwind

colors: {
  custom: {
    50: '#8172d8',
    500: '#333cc5',
    950: '#000000',
  },
}

SCSS

$custom: #333cc5;
$custom-light: #8172d8;
$custom-dark: #000000;

JSON

{
  "hex": "#333cc5",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 197
  },
  "hsl": {
    "h": 236.301,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44796,
    "c": 0.2082,
    "h": 271.6
  },
  "luminance": 0.07967
}

Semantic roles & 50–950 ramp

primary

#333CC5

secondary

#CDC987

accent

#D846E2

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #333CC5

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

Preview Lab → · Contrast checker → · Palette generator →