#3B45B4#3B45B4

#3B45B4 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.2% C 0.174 H 273.3°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B45B4
RGB	rgb(59, 69, 180)
HSL	hsl(235, 51%, 47%)
HSV	hsv(235, 67%, 71%)
CMYK	cmyk(67.2%, 61.7%, 0%, 29.4%)
CIE-LAB	lab(34.96, 32.32, -60.18)
CIE-LCH	lch(34.96, 68.31, 298.24°)
OKLab	oklab(45.23% 0.0099 -0.1735)
OKLCH	oklch(45.23% 0.174 273.3)
XYZ	xyz(12.1672, 8.4802, 44.1668)
Luminance	0.0848 (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

#3B45B4 #B4AA3B

analogous

#3B82B4 #3B45B4 #6D3BB4

triadic

#3B45B4 #B43B45 #45B43B

tetradic

#3B45B4 #B43B82 #B4AA3B #3BB46D

square

#3B45B4 #B43B82 #B4AA3B #3BB46D

split-complementary

#3B45B4 #B46D3B #82B43B

monochromatic

#1D2258 #2C3386 #3B45B4 #616ACB #8F95DA

Accessibility & contrast

On white

7.79

#3B45B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3B45B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B45B4

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B45B4	#FFFFFF	#000000	##FFFFFF
##3B45B4	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006176

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3b45b4;
/* rgb */ color: rgb(59, 69, 180);
/* oklch */ color: oklch(45.2% 0.174 273.3);

Tailwind

colors: {
  custom: {
    50: '#8078cb',
    500: '#3b45b4',
    950: '#000000',
  },
}

SCSS

$custom: #3b45b4;
$custom-light: #8078cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b45b4",
  "rgb": {
    "r": 59,
    "g": 69,
    "b": 180
  },
  "hsl": {
    "h": 235.041,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45225,
    "c": 0.17379,
    "h": 273.3
  },
  "luminance": 0.08481
}

Semantic roles & 50–950 ramp

primary

#3B45B4

secondary

#C5C086

accent

#CF4EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3B45B4

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

Preview Lab → · Contrast checker → · Palette generator →