#4133DB#4133DB

#4133DB is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.6% C 0.240 H 275.4°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#4133DB
RGB	rgb(65, 51, 219)
HSL	hsl(245, 70%, 53%)
HSV	hsv(245, 77%, 86%)
CMYK	cmyk(70.3%, 76.7%, 0%, 14.1%)
CIE-LAB	lab(35.21, 56.18, -82.50)
CIE-LCH	lch(35.21, 99.81, 304.25°)
OKLab	oklab(46.6% 0.0227 -0.2385)
OKLCH	oklch(46.6% 0.24 275.4)
XYZ	xyz(16.1458, 8.6044, 67.8140)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4133DB #CDDB33

analogous

#3379DB #4133DB #9533DB

triadic

#4133DB #DB4133 #33DB41

tetradic

#4133DB #DB3379 #CDDB33 #33DB95

square

#4133DB #DB3379 #CDDB33 #33DB95

split-complementary

#4133DB #DB9533 #79DB33

monochromatic

#1F167D #2B1FB1 #4133DB #7167E4 #A29BED

Accessibility & contrast

On white

7.72

#4133DB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4133DB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4133DB

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4133DB	#FFFFFF	#000000	##FFFFFF
##4133DB	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AE0

Deuteranopia (green-blind)

#004BD8

Tritanopia (blue-blind)

#006586

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4133db;
/* rgb */ color: rgb(65, 51, 219);
/* oklch */ color: oklch(46.6% 0.240 275.4);

Tailwind

colors: {
  custom: {
    50: '#8c6ee8',
    500: '#4133db',
    950: '#000000',
  },
}

SCSS

$custom: #4133db;
$custom-light: #8c6ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#4133db",
  "rgb": {
    "r": 65,
    "g": 51,
    "b": 219
  },
  "hsl": {
    "h": 245,
    "s": 70,
    "l": 52.941
  },
  "oklch": {
    "l": 0.46604,
    "c": 0.23963,
    "h": 275.4
  },
  "luminance": 0.08606
}

Semantic roles & 50–950 ramp

primary

#4133DB

secondary

#D3D991

accent

#ED3BDE

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #4133DB

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

Preview Lab → · Contrast checker → · Palette generator →