#4033D2#4033D2

#4033D2 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.6% C 0.229 H 275.9°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#4033D2
RGB	rgb(64, 51, 210)
HSL	hsl(245, 64%, 51%)
HSV	hsv(245, 76%, 82%)
CMYK	cmyk(69.5%, 75.7%, 0%, 17.6%)
CIE-LAB	lab(34.21, 53.34, -78.97)
CIE-LCH	lch(34.21, 95.30, 304.04°)
OKLab	oklab(45.61% 0.0235 -0.2283)
OKLCH	oklch(45.61% 0.229 275.9)
XYZ	xyz(14.9272, 8.1094, 61.7389)
Luminance	0.0811 (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

#4033D2 #C5D233

analogous

#3375D2 #4033D2 #8F33D2

triadic

#4033D2 #D24033 #33D240

tetradic

#4033D2 #D23375 #C5D233 #33D28F

square

#4033D2 #D23375 #C5D233 #33D28F

split-complementary

#4033D2 #D28F33 #75D233

monochromatic

#201972 #2F24A4 #4033D2 #6F65DD #9E97E8

Accessibility & contrast

On white

8.01

#4033D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#4033D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033D2

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033D2	#FFFFFF	#000000	##FFFFFF
##4033D2	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D7

Deuteranopia (green-blind)

#0049CF

Tritanopia (blue-blind)

#006281

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4033d2;
/* rgb */ color: rgb(64, 51, 210);
/* oklch */ color: oklch(45.6% 0.229 275.9);

Tailwind

colors: {
  custom: {
    50: '#8a6ee1',
    500: '#4033d2',
    950: '#000000',
  },
}

SCSS

$custom: #4033d2;
$custom-light: #8a6ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#4033d2",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 210
  },
  "hsl": {
    "h": 244.906,
    "s": 63.855,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45607,
    "c": 0.22949,
    "h": 275.9
  },
  "luminance": 0.08111
}

Semantic roles & 50–950 ramp

primary

#4033D2

secondary

#CED48D

accent

#E741D9

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0715

muted

#7E7A84

Preview Lab

Preview with #4033D2

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

Preview Lab → · Contrast checker → · Palette generator →