#333ECC#333ECC

#333ECC is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.8% C 0.215 H 271.1°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#333ECC
RGB	rgb(51, 62, 204)
HSL	hsl(236, 60%, 50%)
HSV	hsv(236, 75%, 80%)
CMYK	cmyk(75%, 69.6%, 0%, 20%)
CIE-LAB	lab(35.02, 44.05, -74.18)
CIE-LCH	lch(35.02, 86.28, 300.70°)
OKLab	oklab(45.8% 0.004 -0.2147)
OKLCH	oklch(45.8% 0.215 271.1)
XYZ	xyz(13.9832, 8.5072, 58.0201)
Luminance	0.0851 (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

#333ECC #CCC133

analogous

#338BCC #333ECC #7433CC

triadic

#333ECC #CC333E #3ECC33

tetradic

#333ECC #CC338B #CCC133 #33CC74

square

#333ECC #CC338B #CCC133 #33CC74

split-complementary

#333ECC #CC7433 #8BCC33

monochromatic

#1B206A #272F9B #333ECC #646CD8 #959BE4

Accessibility & contrast

On white

7.77

#333ECC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#333ECC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333ECC

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333ECC	#FFFFFF	#000000	##FFFFFF
##333ECC	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD0

Deuteranopia (green-blind)

#004BC9

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #333ecc;
/* rgb */ color: rgb(51, 62, 204);
/* oklch */ color: oklch(45.8% 0.215 271.1);

Tailwind

colors: {
  custom: {
    50: '#8274dd',
    500: '#333ecc',
    950: '#000000',
  },
}

SCSS

$custom: #333ecc;
$custom-light: #8274dd;
$custom-dark: #000000;

JSON

{
  "hex": "#333ecc",
  "rgb": {
    "r": 51,
    "g": 62,
    "b": 204
  },
  "hsl": {
    "h": 235.686,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.45796,
    "c": 0.21474,
    "h": 271.1
  },
  "luminance": 0.08509
}

Semantic roles & 50–950 ramp

primary

#333ECC

secondary

#D0CB8B

accent

#D845E3

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #333ECC

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

Preview Lab → · Contrast checker → · Palette generator →