#3B53CC#3B53CC

#3B53CC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.8% C 0.189 H 269.6°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3B53CC
RGB	rgb(59, 83, 204)
HSL	hsl(230, 59%, 52%)
HSV	hsv(230, 71%, 80%)
CMYK	cmyk(71.1%, 59.3%, 0%, 20%)
CIE-LAB	lab(40.37, 31.91, -65.40)
CIE-LCH	lch(40.37, 72.77, 296.01°)
OKLab	oklab(49.83% -0.0012 -0.1887)
OKLCH	oklch(49.83% 0.189 269.6)
XYZ	xyz(15.7922, 11.4743, 58.4975)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B53CC #CCB43B

analogous

#3B9CCC #3B53CC #6C3BCC

triadic

#3B53CC #CC3B53 #53CC3B

tetradic

#3B53CC #CC3B9C #CCB43B #3BCC6C

square

#3B53CC #CC3B9C #CCB43B #3BCC6C

split-complementary

#3B53CC #CC6C3B #9CCC3B

monochromatic

#1D2B70 #2A3DA0 #3B53CC #6C7ED9 #9CA8E5

Accessibility & contrast

On white

6.37

#3B53CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3B53CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B53CC

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B53CC	#FFFFFF	#000000	##FFFFFF
##3B53CC	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D0

Deuteranopia (green-blind)

#0059CA

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3b53cc;
/* rgb */ color: rgb(59, 83, 204);
/* oklch */ color: oklch(49.8% 0.189 269.6);

Tailwind

colors: {
  custom: {
    50: '#8483dc',
    500: '#3b53cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b53cc;
$custom-light: #8483dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b53cc",
  "rgb": {
    "r": 59,
    "g": 83,
    "b": 204
  },
  "hsl": {
    "h": 230.069,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49827,
    "c": 0.18869,
    "h": 269.6
  },
  "luminance": 0.11476
}

Semantic roles & 50–950 ramp

primary

#3B53CC

secondary

#D1C792

accent

#C846E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B53CC

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

Preview Lab → · Contrast checker → · Palette generator →