#3B50BC#3B50BC

#3B50BC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.171 H 270.3°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3B50BC
RGB	rgb(59, 80, 188)
HSL	hsl(230, 52%, 48%)
HSV	hsv(230, 69%, 74%)
CMYK	cmyk(68.6%, 57.4%, 0%, 26.3%)
CIE-LAB	lab(38.37, 28.10, -59.35)
CIE-LCH	lch(38.37, 65.66, 295.34°)
OKLab	oklab(47.95% 0.0009 -0.1709)
OKLCH	oklch(47.95% 0.171 270.3)
XYZ	xyz(13.7463, 10.2966, 48.8302)
Luminance	0.1030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B50BC #BCA73B

analogous

#3B90BC #3B50BC #673BBC

triadic

#3B50BC #BC3B50 #50BC3B

tetradic

#3B50BC #BC3B90 #BCA73B #3BBC67

square

#3B50BC #BC3B90 #BCA73B #3BBC67

split-complementary

#3B50BC #BC673B #90BC3B

monochromatic

#1E285F #2C3C8D #3B50BC #6577CF #94A0DD

Accessibility & contrast

On white

6.86

#3B50BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3B50BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B50BC

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B50BC	#FFFFFF	#000000	##FFFFFF
##3B50BC	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3b50bc;
/* rgb */ color: rgb(59, 80, 188);
/* oklch */ color: oklch(47.9% 0.171 270.3);

Tailwind

colors: {
  custom: {
    50: '#8180d1',
    500: '#3b50bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b50bc;
$custom-light: #8180d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b50bc",
  "rgb": {
    "r": 59,
    "g": 80,
    "b": 188
  },
  "hsl": {
    "h": 230.233,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4795,
    "c": 0.17094,
    "h": 270.3
  },
  "luminance": 0.10298
}

Semantic roles & 50–950 ramp

primary

#3B50BC

secondary

#C9BF8A

accent

#C44CDC

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3B50BC

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

Preview Lab → · Contrast checker → · Palette generator →