#3B45BC#3B45BC

#3B45BC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.9% C 0.184 H 273.0°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#3B45BC
RGB	rgb(59, 69, 188)
HSL	hsl(235, 52%, 48%)
HSV	hsv(235, 69%, 74%)
CMYK	cmyk(68.6%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(35.63, 35.12, -63.82)
CIE-LCH	lch(35.63, 72.84, 298.83°)
OKLab	oklab(45.92% 0.0096 -0.1842)
OKLCH	oklch(45.92% 0.184 273)
XYZ	xyz(13.0058, 8.8157, 48.5834)
Luminance	0.0882 (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

#3B45BC #BCB23B

analogous

#3B85BC #3B45BC #713BBC

triadic

#3B45BC #BC3B45 #45BC3B

tetradic

#3B45BC #BC3B85 #BCB23B #3BBC71

square

#3B45BC #BC3B85 #BCB23B #3BBC71

split-complementary

#3B45BC #BC713B #85BC3B

monochromatic

#1E235F #2C348D #3B45BC #656ECF #949ADD

Accessibility & contrast

On white

7.60

#3B45BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3B45BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B45BC

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B45BC	#FFFFFF	#000000	##FFFFFF
##3B45BC	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#004EBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3b45bc;
/* rgb */ color: rgb(59, 69, 188);
/* oklch */ color: oklch(45.9% 0.184 273.0);

Tailwind

colors: {
  custom: {
    50: '#8179d1',
    500: '#3b45bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b45bc;
$custom-light: #8179d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b45bc",
  "rgb": {
    "r": 59,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 235.349,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45919,
    "c": 0.18442,
    "h": 273
  },
  "luminance": 0.08817
}

Semantic roles & 50–950 ramp

primary

#3B45BC

secondary

#C9C48A

accent

#D14CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3B45BC

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

Preview Lab → · Contrast checker → · Palette generator →