#3B53BF#3B53BF

#3B53BF is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.8% C 0.171 H 269.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3B53BF
RGB	rgb(59, 83, 191)
HSL	hsl(229, 53%, 49%)
HSV	hsv(229, 69%, 75%)
CMYK	cmyk(69.1%, 56.5%, 0%, 25.1%)
CIE-LAB	lab(39.37, 27.25, -59.47)
CIE-LCH	lch(39.37, 65.42, 294.61°)
OKLab	oklab(48.77% -0.0015 -0.1713)
OKLCH	oklch(48.77% 0.171 269.5)
XYZ	xyz(14.2976, 10.8765, 50.6260)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B53BF #BFA73B

analogous

#3B95BF #3B53BF #653BBF

triadic

#3B53BF #BF3B53 #53BF3B

tetradic

#3B53BF #BF3B95 #BFA73B #3BBF65

square

#3B53BF #BF3B95 #BFA73B #3BBF65

split-complementary

#3B53BF #BF653B #95BF3B

monochromatic

#1E2A61 #2D3F90 #3B53BF #677AD0 #96A3DF

Accessibility & contrast

On white

6.61

#3B53BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3B53BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B53BF

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B53BF	#FFFFFF	#000000	##FFFFFF
##3B53BF	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3b53bf;
/* rgb */ color: rgb(59, 83, 191);
/* oklch */ color: oklch(48.8% 0.171 269.5);

Tailwind

colors: {
  custom: {
    50: '#8183d3',
    500: '#3b53bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b53bf;
$custom-light: #8183d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b53bf",
  "rgb": {
    "r": 59,
    "g": 83,
    "b": 191
  },
  "hsl": {
    "h": 229.091,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48771,
    "c": 0.17128,
    "h": 269.5
  },
  "luminance": 0.10878
}

Semantic roles & 50–950 ramp

primary

#3B53BF

secondary

#CABF8C

accent

#C24CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3B53BF

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

Preview Lab → · Contrast checker → · Palette generator →