#4133C9#4133C9

#4133C9 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.8% C 0.219 H 277.0°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#4133C9
RGB	rgb(65, 51, 201)
HSL	hsl(246, 60%, 49%)
HSV	hsv(246, 75%, 79%)
CMYK	cmyk(67.7%, 74.6%, 0%, 21.2%)
CIE-LAB	lab(33.37, 50.66, -75.13)
CIE-LCH	lch(33.37, 90.62, 303.99°)
OKLab	oklab(44.76% 0.0267 -0.2171)
OKLCH	oklch(44.76% 0.219 277)
XYZ	xyz(13.9030, 7.7073, 56.0020)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4133C9 #BBC933

analogous

#3370C9 #4133C9 #8C33C9

triadic

#4133C9 #C94133 #33C941

tetradic

#4133C9 #C93370 #BBC933 #33C98C

square

#4133C9 #C93370 #BBC933 #33C98C

split-complementary

#4133C9 #C98C33 #70C933

monochromatic

#211A67 #312798 #4133C9 #6D62D7 #9A93E4

Accessibility & contrast

On white

8.26

#4133C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4133C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133C9

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133C9	#FFFFFF	#000000	##FFFFFF
##4133C9	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CD

Deuteranopia (green-blind)

#0048C6

Tritanopia (blue-blind)

#005E7C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4133c9;
/* rgb */ color: rgb(65, 51, 201);
/* oklch */ color: oklch(44.8% 0.219 277.0);

Tailwind

colors: {
  custom: {
    50: '#886ddb',
    500: '#4133c9',
    950: '#000000',
  },
}

SCSS

$custom: #4133c9;
$custom-light: #886ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4133c9",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 201
  },
  "hsl": {
    "h": 245.6,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44758,
    "c": 0.21873,
    "h": 277
  },
  "luminance": 0.07709
}

Semantic roles & 50–950 ramp

primary

#4133C9

secondary

#C8CF89

accent

#E345D4

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #4133C9

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

Preview Lab → · Contrast checker → · Palette generator →