#3B53C8#3B53C8

#3B53C8 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.5% C 0.183 H 269.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3B53C8
RGB	rgb(59, 83, 200)
HSL	hsl(230, 56%, 51%)
HSV	hsv(230, 71%, 78%)
CMYK	cmyk(70.5%, 58.5%, 0%, 21.6%)
CIE-LAB	lab(40.06, 30.48, -63.60)
CIE-LCH	lch(40.06, 70.52, 295.61°)
OKLab	oklab(49.5% -0.0012 -0.1834)
OKLCH	oklch(49.5% 0.183 269.6)
XYZ	xyz(15.3186, 11.2849, 56.0033)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B53C8 #C8B03B

analogous

#3B99C8 #3B53C8 #693BC8

triadic

#3B53C8 #C83B53 #53C83B

tetradic

#3B53C8 #C83B99 #C8B03B #3BC869

square

#3B53C8 #C83B99 #C8B03B #3BC869

split-complementary

#3B53C8 #C8693B #99C83B

monochromatic

#1E2B6B #2B3E9A #3B53C8 #6B7DD5 #9BA7E3

Accessibility & contrast

On white

6.45

#3B53C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3B53C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B53C8

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B53C8	#FFFFFF	#000000	##FFFFFF
##3B53C8	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CC

Deuteranopia (green-blind)

#0058C6

Tritanopia (blue-blind)

#007085

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3b53c8;
/* rgb */ color: rgb(59, 83, 200);
/* oklch */ color: oklch(49.5% 0.183 269.6);

Tailwind

colors: {
  custom: {
    50: '#8383da',
    500: '#3b53c8',
    950: '#000000',
  },
}

SCSS

$custom: #3b53c8;
$custom-light: #8383da;
$custom-dark: #000000;

JSON

{
  "hex": "#3b53c8",
  "rgb": {
    "r": 59,
    "g": 83,
    "b": 200
  },
  "hsl": {
    "h": 229.787,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49497,
    "c": 0.18338,
    "h": 269.6
  },
  "luminance": 0.11286
}

Semantic roles & 50–950 ramp

primary

#3B53C8

secondary

#CFC490

accent

#C648DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B53C8

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

Preview Lab → · Contrast checker → · Palette generator →