#333FC7#333FC7

#333FC7 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.5% C 0.207 H 271.1°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#333FC7
RGB	rgb(51, 63, 199)
HSL	hsl(235, 59%, 49%)
HSV	hsv(235, 74%, 78%)
CMYK	cmyk(74.4%, 68.3%, 0%, 22%)
CIE-LAB	lab(34.76, 41.73, -71.69)
CIE-LCH	lch(34.76, 82.95, 300.20°)
OKLab	oklab(45.47% 0.004 -0.2074)
OKLCH	oklch(45.47% 0.207 271.1)
XYZ	xyz(13.4480, 8.3809, 54.9307)
Luminance	0.0838 (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

#333FC7 #C7BB33

analogous

#3389C7 #333FC7 #7133C7

triadic

#333FC7 #C7333F #3FC733

tetradic

#333FC7 #C73389 #C7BB33 #33C771

square

#333FC7 #C73389 #C7BB33 #33C771

split-complementary

#333FC7 #C77133 #89C733

monochromatic

#1A2066 #273096 #333FC7 #616AD6 #9198E3

Accessibility & contrast

On white

7.85

#333FC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#333FC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333FC7

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333FC7	#FFFFFF	#000000	##FFFFFF
##333FC7	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CB

Deuteranopia (green-blind)

#004BC4

Tritanopia (blue-blind)

#00647E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #333fc7;
/* rgb */ color: rgb(51, 63, 199);
/* oklch */ color: oklch(45.5% 0.207 271.1);

Tailwind

colors: {
  custom: {
    50: '#8174d9',
    500: '#333fc7',
    950: '#000000',
  },
}

SCSS

$custom: #333fc7;
$custom-light: #8174d9;
$custom-dark: #000000;

JSON

{
  "hex": "#333fc7",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 199
  },
  "hsl": {
    "h": 235.135,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.4547,
    "c": 0.20747,
    "h": 271.1
  },
  "luminance": 0.08382
}

Semantic roles & 50–950 ramp

primary

#333FC7

secondary

#CEC888

accent

#D645E2

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #333FC7

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

Preview Lab → · Contrast checker → · Palette generator →