#3B53C9#3B53C9

#3B53C9 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.6% C 0.185 H 269.6°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#3B53C9
RGB	rgb(59, 83, 201)
HSL	hsl(230, 57%, 51%)
HSV	hsv(230, 71%, 79%)
CMYK	cmyk(70.6%, 58.7%, 0%, 21.2%)
CIE-LAB	lab(40.13, 30.84, -64.05)
CIE-LCH	lch(40.13, 71.09, 295.71°)
OKLab	oklab(49.58% -0.0012 -0.1847)
OKLCH	oklch(49.58% 0.185 269.6)
XYZ	xyz(15.4359, 11.3318, 56.6208)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B53C9 #C9B13B

analogous

#3B9AC9 #3B53C9 #6A3BC9

triadic

#3B53C9 #C93B53 #53C93B

tetradic

#3B53C9 #C93B9A #C9B13B #3BC96A

square

#3B53C9 #C93B9A #C9B13B #3BC96A

split-complementary

#3B53C9 #C96A3B #9AC93B

monochromatic

#1E2B6C #2B3E9C #3B53C9 #6B7DD6 #9BA7E3

Accessibility & contrast

On white

6.43

#3B53C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#3B53C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B53C9

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B53C9	#FFFFFF	#000000	##FFFFFF
##3B53C9	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CD

Deuteranopia (green-blind)

#0058C7

Tritanopia (blue-blind)

#007086

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3b53c9;
/* rgb */ color: rgb(59, 83, 201);
/* oklch */ color: oklch(49.6% 0.185 269.6);

Tailwind

colors: {
  custom: {
    50: '#8383da',
    500: '#3b53c9',
    950: '#000000',
  },
}

SCSS

$custom: #3b53c9;
$custom-light: #8383da;
$custom-dark: #000000;

JSON

{
  "hex": "#3b53c9",
  "rgb": {
    "r": 59,
    "g": 83,
    "b": 201
  },
  "hsl": {
    "h": 229.859,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.49579,
    "c": 0.18472,
    "h": 269.6
  },
  "luminance": 0.11333
}

Semantic roles & 50–950 ramp

primary

#3B53C9

secondary

#CFC590

accent

#C648E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B53C9

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

Preview Lab → · Contrast checker → · Palette generator →