#3B45DB#3B45DB

#3B45DB is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 48.8% C 0.224 H 271.8°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3B45DB
RGB	rgb(59, 69, 219)
HSL	hsl(236, 69%, 55%)
HSV	hsv(236, 73%, 86%)
CMYK	cmyk(73.1%, 68.5%, 0%, 14.1%)
CIE-LAB	lab(38.37, 45.75, -77.30)
CIE-LCH	lch(38.37, 89.83, 300.62°)
OKLab	oklab(48.76% 0.0069 -0.2236)
OKLCH	oklch(48.76% 0.224 271.8)
XYZ	xyz(16.7136, 10.2988, 68.1111)
Luminance	0.1030 (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

#3B45DB #DBD13B

analogous

#3B95DB #3B45DB #813BDB

triadic

#3B45DB #DB3B45 #45DB3B

tetradic

#3B45DB #DB3B95 #DBD13B #3BDB81

square

#3B45DB #DB3B95 #DBD13B #3BDB81

split-complementary

#3B45DB #DB813B #95DB3B

monochromatic

#181F83 #222BB7 #3B45DB #6F76E4 #A2A7EE

Accessibility & contrast

On white

6.86

#3B45DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3B45DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B45DB

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B45DB	#FFFFFF	#000000	##FFFFFF
##3B45DB	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)

#0062E0

Deuteranopia (green-blind)

#0053D8

Tritanopia (blue-blind)

#006E8B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3b45db;
/* rgb */ color: rgb(59, 69, 219);
/* oklch */ color: oklch(48.8% 0.224 271.8);

Tailwind

colors: {
  custom: {
    50: '#8879e7',
    500: '#3b45db',
    950: '#000000',
  },
}

SCSS

$custom: #3b45db;
$custom-light: #8879e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b45db",
  "rgb": {
    "r": 59,
    "g": 69,
    "b": 219
  },
  "hsl": {
    "h": 236.25,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.48759,
    "c": 0.22374,
    "h": 271.8
  },
  "luminance": 0.10301
}

Semantic roles & 50–950 ramp

primary

#3B45DB

secondary

#DBD797

accent

#E13CEC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3B45DB

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

Preview Lab → · Contrast checker → · Palette generator →