#3B3FF4#3B3FF4

#3B3FF4 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.4% C 0.259 H 271.3°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FF4
RGB	rgb(59, 63, 244)
HSL	hsl(239, 89%, 59%)
HSV	hsv(239, 76%, 96%)
CMYK	cmyk(75.8%, 74.2%, 0%, 4.3%)
CIE-LAB	lab(39.60, 57.25, -89.47)
CIE-LCH	lch(39.60, 106.21, 302.61°)
OKLab	oklab(50.37% 0.0061 -0.259)
OKLCH	oklch(50.37% 0.259 271.3)
XYZ	xyz(19.9047, 11.0143, 86.6473)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B3FF4 #F4F03B

analogous

#3B9BF4 #3B3FF4 #943BF4

triadic

#3B3FF4 #F43B3F #3FF43B

tetradic

#3B3FF4 #F43B9B #F4F03B #3BF494

square

#3B3FF4 #F43B9B #F4F03B #3BF494

split-complementary

#3B3FF4 #F4943B #9BF43B

monochromatic

#0A0DAB #0D12E5 #3B3FF4 #7578F7 #AFB1FB

Accessibility & contrast

On white

6.56

#3B3FF4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3B3FF4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B3FF4

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FF4	#FFFFFF	#000000	##FFFFFF
##3B3FF4	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066F9

Deuteranopia (green-blind)

#0054F1

Tritanopia (blue-blind)

#007597

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3b3ff4;
/* rgb */ color: rgb(59, 63, 244);
/* oklch */ color: oklch(50.4% 0.259 271.3);

Tailwind

colors: {
  custom: {
    50: '#8e76f9',
    500: '#3b3ff4',
    950: '#000000',
  },
}

SCSS

$custom: #3b3ff4;
$custom-light: #8e76f9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3ff4",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 244
  },
  "hsl": {
    "h": 238.703,
    "s": 89.372,
    "l": 59.412
  },
  "oklch": {
    "l": 0.50367,
    "c": 0.25911,
    "h": 271.3
  },
  "luminance": 0.11016
}

Semantic roles & 50–950 ramp

primary

#3B3FF4

secondary

#E9E8A1

accent

#FA29FF

background

#F9F7FF

surface

#F2EDFF

border

#CCC8D7

text

#0F0918

muted

#7E7B86

Preview Lab

Preview with #3B3FF4

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

Preview Lab → · Contrast checker → · Palette generator →