#3B43DB#3B43DB

#3B43DB is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.4% C 0.226 H 272.0°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3B43DB
RGB	rgb(59, 67, 219)
HSL	hsl(237, 69%, 55%)
HSV	hsv(237, 73%, 86%)
CMYK	cmyk(73.1%, 69.4%, 0%, 14.1%)
CIE-LAB	lab(37.94, 46.93, -78.01)
CIE-LCH	lch(37.94, 91.03, 301.03°)
OKLab	oklab(48.45% 0.008 -0.2257)
OKLCH	oklch(48.45% 0.226 272)
XYZ	xyz(16.5927, 10.0569, 68.0708)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B43DB #DBD33B

analogous

#3B93DB #3B43DB #833BDB

triadic

#3B43DB #DB3B43 #43DB3B

tetradic

#3B43DB #DB3B93 #DBD33B #3BDB83

square

#3B43DB #DB3B93 #DBD33B #3BDB83

split-complementary

#3B43DB #DB833B #93DB3B

monochromatic

#181E83 #2229B7 #3B43DB #6F75E4 #A2A6EE

Accessibility & contrast

On white

6.97

#3B43DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3B43DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B43DB

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B43DB	#FFFFFF	#000000	##FFFFFF
##3B43DB	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E0

Deuteranopia (green-blind)

#0052D8

Tritanopia (blue-blind)

#006D8A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3b43db;
/* rgb */ color: rgb(59, 67, 219);
/* oklch */ color: oklch(48.4% 0.226 272.0);

Tailwind

colors: {
  custom: {
    50: '#8878e7',
    500: '#3b43db',
    950: '#000000',
  },
}

SCSS

$custom: #3b43db;
$custom-light: #8878e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b43db",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 219
  },
  "hsl": {
    "h": 237,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.48449,
    "c": 0.22583,
    "h": 272
  },
  "luminance": 0.10059
}

Semantic roles & 50–950 ramp

primary

#3B43DB

secondary

#DBD797

accent

#E33CEC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3B43DB

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

Preview Lab → · Contrast checker → · Palette generator →