#3F33D2#3F33D2

#3F33D2 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.5% C 0.230 H 275.5°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F33D2
RGB	rgb(63, 51, 210)
HSL	hsl(245, 64%, 51%)
HSV	hsv(245, 76%, 82%)
CMYK	cmyk(70%, 75.7%, 0%, 17.6%)
CIE-LAB	lab(34.14, 53.25, -79.08)
CIE-LCH	lch(34.14, 95.34, 303.95°)
OKLab	oklab(45.54% 0.0222 -0.2286)
OKLCH	oklch(45.54% 0.23 275.5)
XYZ	xyz(14.8628, 8.0762, 61.7359)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.81

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F33D2 #C6D233

analogous

#3376D2 #3F33D2 #8E33D2

triadic

#3F33D2 #D23F33 #33D23F

tetradic

#3F33D2 #D23376 #C6D233 #33D28E

square

#3F33D2 #D23376 #C6D233 #33D28E

split-complementary

#3F33D2 #D28E33 #76D233

monochromatic

#201972 #2E24A4 #3F33D2 #6E65DD #9D97E8

Accessibility & contrast

On white

8.03

#3F33D2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3F33D2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F33D2

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F33D2	#FFFFFF	#000000	##FFFFFF
##3F33D2	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	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: #3f33d2;
/* rgb */ color: rgb(63, 51, 210);
/* oklch */ color: oklch(45.5% 0.230 275.5);

Tailwind

colors: {
  custom: {
    50: '#896ee1',
    500: '#3f33d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f33d2;
$custom-light: #896ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f33d2",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 210
  },
  "hsl": {
    "h": 244.528,
    "s": 63.855,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45541,
    "c": 0.22973,
    "h": 275.5
  },
  "luminance": 0.08078
}

Semantic roles & 50–950 ramp

primary

#3F33D2

secondary

#CED48D

accent

#E741DA

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0715

muted

#7E7A84

Preview Lab

Preview with #3F33D2

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

Preview Lab → · Contrast checker → · Palette generator →