#3B52BB#3B52BB

#3B52BB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.167 H 269.7°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B52BB
RGB	rgb(59, 82, 187)
HSL	hsl(229, 52%, 48%)
HSV	hsv(229, 68%, 73%)
CMYK	cmyk(68.4%, 56.1%, 0%, 26.7%)
CIE-LAB	lab(38.81, 26.45, -58.04)
CIE-LCH	lch(38.81, 63.78, 294.50°)
OKLab	oklab(48.26% -0.0008 -0.1671)
OKLCH	oklch(48.26% 0.167 269.7)
XYZ	xyz(13.7875, 10.5509, 48.3140)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B52BB #BBA43B

analogous

#3B92BB #3B52BB #643BBB

triadic

#3B52BB #BB3B52 #52BB3B

tetradic

#3B52BB #BB3B92 #BBA43B #3BBB64

square

#3B52BB #BB3B92 #BBA43B #3BBB64

split-complementary

#3B52BB #BB643B #92BB3B

monochromatic

#1E295E #2C3E8C #3B52BB #6578CE #93A1DD

Accessibility & contrast

On white

6.75

#3B52BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3B52BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B52BB

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B52BB	#FFFFFF	#000000	##FFFFFF
##3B52BB	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3b52bb;
/* rgb */ color: rgb(59, 82, 187);
/* oklch */ color: oklch(48.3% 0.167 269.7);

Tailwind

colors: {
  custom: {
    50: '#8082d0',
    500: '#3b52bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b52bb;
$custom-light: #8082d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b52bb",
  "rgb": {
    "r": 59,
    "g": 82,
    "b": 187
  },
  "hsl": {
    "h": 229.219,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48259,
    "c": 0.16707,
    "h": 269.7
  },
  "luminance": 0.10552
}

Semantic roles & 50–950 ramp

primary

#3B52BB

secondary

#C8BD8A

accent

#C24CDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3B52BB

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

Preview Lab → · Contrast checker → · Palette generator →