#4033D5#4033D5

#4033D5 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.9% C 0.233 H 275.6°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#4033D5
RGB	rgb(64, 51, 213)
HSL	hsl(245, 66%, 52%)
HSV	hsv(245, 76%, 84%)
CMYK	cmyk(70%, 76.1%, 0%, 16.5%)
CIE-LAB	lab(34.52, 54.26, -80.19)
CIE-LCH	lch(34.52, 96.83, 304.08°)
OKLab	oklab(45.92% 0.0228 -0.2318)
OKLCH	oklch(45.92% 0.233 275.6)
XYZ	xyz(15.3045, 8.2603, 63.7257)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4033D5 #C8D533

analogous

#3377D5 #4033D5 #9133D5

triadic

#4033D5 #D54033 #33D540

tetradic

#4033D5 #D53377 #C8D533 #33D591

square

#4033D5 #D53377 #C8D533 #33D591

split-complementary

#4033D5 #D59133 #77D533

monochromatic

#201875 #2D23A8 #4033D5 #7066DF #9F99EA

Accessibility & contrast

On white

7.92

#4033D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#4033D5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033D5

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033D5	#FFFFFF	#000000	##FFFFFF
##4033D5	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058DA

Deuteranopia (green-blind)

#004AD2

Tritanopia (blue-blind)

#006383

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4033d5;
/* rgb */ color: rgb(64, 51, 213);
/* oklch */ color: oklch(45.9% 0.233 275.6);

Tailwind

colors: {
  custom: {
    50: '#8a6ee3',
    500: '#4033d5',
    950: '#000000',
  },
}

SCSS

$custom: #4033d5;
$custom-light: #8a6ee3;
$custom-dark: #000000;

JSON

{
  "hex": "#4033d5",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 213
  },
  "hsl": {
    "h": 244.815,
    "s": 65.854,
    "l": 51.765
  },
  "oklch": {
    "l": 0.45916,
    "c": 0.23297,
    "h": 275.6
  },
  "luminance": 0.08262
}

Semantic roles & 50–950 ramp

primary

#4033D5

secondary

#D0D58E

accent

#E93FDB

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #4033D5

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

Preview Lab → · Contrast checker → · Palette generator →