#3B56C7#3B56C7

#3B56C7 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.178 H 268.8°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3B56C7
RGB	rgb(59, 86, 199)
HSL	hsl(228, 56%, 51%)
HSV	hsv(228, 70%, 78%)
CMYK	cmyk(70.4%, 56.8%, 0%, 22%)
CIE-LAB	lab(40.75, 28.20, -61.89)
CIE-LCH	lch(40.75, 68.01, 294.49°)
OKLab	oklab(49.99% -0.0036 -0.1783)
OKLCH	oklch(49.99% 0.178 268.8)
XYZ	xyz(15.4367, 11.7074, 55.4680)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B56C7 #C7AC3B

analogous

#3B9CC7 #3B56C7 #663BC7

triadic

#3B56C7 #C73B56 #56C73B

tetradic

#3B56C7 #C73B9C #C7AC3B #3BC766

square

#3B56C7 #C73B9C #C7AC3B #3BC766

split-complementary

#3B56C7 #C7663B #9CC73B

monochromatic

#1E2D69 #2C4199 #3B56C7 #6B7FD5 #9AA8E2

Accessibility & contrast

On white

6.28

#3B56C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3B56C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B56C7

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B56C7	#FFFFFF	#000000	##FFFFFF
##3B56C7	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CB

Deuteranopia (green-blind)

#005AC5

Tritanopia (blue-blind)

#007286

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3b56c7;
/* rgb */ color: rgb(59, 86, 199);
/* oklch */ color: oklch(50.0% 0.178 268.8);

Tailwind

colors: {
  custom: {
    50: '#8285d9',
    500: '#3b56c7',
    950: '#000000',
  },
}

SCSS

$custom: #3b56c7;
$custom-light: #8285d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b56c7",
  "rgb": {
    "r": 59,
    "g": 86,
    "b": 199
  },
  "hsl": {
    "h": 228.429,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.49989,
    "c": 0.17838,
    "h": 268.8
  },
  "luminance": 0.11709
}

Semantic roles & 50–950 ramp

primary

#3B56C7

secondary

#CEC290

accent

#C249DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3B56C7

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

Preview Lab → · Contrast checker → · Palette generator →