#3565B3#3565B3

#3565B3 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.4% C 0.134 H 259.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3565B3
RGB	rgb(53, 101, 179)
HSL	hsl(217, 54%, 45%)
HSV	hsv(217, 70%, 70%)
CMYK	cmyk(70.4%, 43.6%, 0%, 29.8%)
CIE-LAB	lab(43.24, 10.32, -46.24)
CIE-LCH	lch(43.24, 47.38, 282.58°)
OKLab	oklab(51.38% -0.0241 -0.1322)
OKLCH	oklch(51.38% 0.134 259.7)
XYZ	xyz(14.2556, 13.3174, 44.4583)
Luminance	0.1332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3565B3 #B38335

analogous

#35A4B3 #3565B3 #4435B3

triadic

#3565B3 #B33565 #65B335

tetradic

#3565B3 #B335A4 #B38335 #35B344

square

#3565B3 #B335A4 #B38335 #35B344

split-complementary

#3565B3 #B34435 #A4B335

monochromatic

#193055 #274A84 #3565B3 #5885CD #87A7DB

Accessibility & contrast

On white

5.73

#3565B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3565B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3565B3

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3565B3	#FFFFFF	#000000	##FFFFFF
##3565B3	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6CB6

Deuteranopia (green-blind)

#2961B1

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3565b3;
/* rgb */ color: rgb(53, 101, 179);
/* oklch */ color: oklch(51.4% 0.134 259.7);

Tailwind

colors: {
  custom: {
    50: '#7b90ca',
    500: '#3565b3',
    950: '#000000',
  },
}

SCSS

$custom: #3565b3;
$custom-light: #7b90ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3565b3",
  "rgb": {
    "r": 53,
    "g": 101,
    "b": 179
  },
  "hsl": {
    "h": 217.143,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51382,
    "c": 0.13437,
    "h": 259.7
  },
  "luminance": 0.13319
}

Semantic roles & 50–950 ramp

primary

#3565B3

secondary

#C5AA7F

accent

#A54ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3565B3

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

Preview Lab → · Contrast checker → · Palette generator →