#4033D1#4033D1

#4033D1 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.5% C 0.228 H 276.0°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#4033D1
RGB	rgb(64, 51, 209)
HSL	hsl(245, 63%, 51%)
HSV	hsv(245, 76%, 82%)
CMYK	cmyk(69.4%, 75.6%, 0%, 18%)
CIE-LAB	lab(34.11, 53.04, -78.56)
CIE-LCH	lch(34.11, 94.79, 304.02°)
OKLab	oklab(45.5% 0.0237 -0.2271)
OKLCH	oklch(45.5% 0.228 276)
XYZ	xyz(14.8030, 8.0597, 61.0848)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.72

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4033D1 #C4D133

analogous

#3375D1 #4033D1 #8F33D1

triadic

#4033D1 #D14033 #33D140

tetradic

#4033D1 #D13375 #C4D133 #33D18F

square

#4033D1 #D13375 #C4D133 #33D18F

split-complementary

#4033D1 #D18F33 #75D133

monochromatic

#201970 #2F25A2 #4033D1 #6F65DC #9E97E8

Accessibility & contrast

On white

8.04

#4033D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4033D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033D1

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033D1	#FFFFFF	#000000	##FFFFFF
##4033D1	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D6

Deuteranopia (green-blind)

#0049CE

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4033d1;
/* rgb */ color: rgb(64, 51, 209);
/* oklch */ color: oklch(45.5% 0.228 276.0);

Tailwind

colors: {
  custom: {
    50: '#896ee0',
    500: '#4033d1',
    950: '#000000',
  },
}

SCSS

$custom: #4033d1;
$custom-light: #896ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#4033d1",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 209
  },
  "hsl": {
    "h": 244.937,
    "s": 63.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45504,
    "c": 0.22833,
    "h": 276
  },
  "luminance": 0.08061
}

Semantic roles & 50–950 ramp

primary

#4033D1

secondary

#CDD38D

accent

#E642D9

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0715

muted

#7E7A84

Preview Lab

Preview with #4033D1

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

Preview Lab → · Contrast checker → · Palette generator →