#3F5CC2#3F5CC2

#3F5CC2 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.163 H 268.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F5CC2
RGB	rgb(63, 92, 194)
HSL	hsl(227, 52%, 50%)
HSV	hsv(227, 68%, 76%)
CMYK	cmyk(67.5%, 52.6%, 0%, 23.9%)
CIE-LAB	lab(42.16, 23.13, -56.69)
CIE-LCH	lch(42.16, 61.23, 292.19°)
OKLab	oklab(50.99% -0.0052 -0.1629)
OKLCH	oklch(50.99% 0.163 268.2)
XYZ	xyz(15.6113, 12.6046, 52.6387)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5CC2 #C2A53F

analogous

#3F9DC2 #3F5CC2 #643FC2

triadic

#3F5CC2 #C23F5C #5CC23F

tetradic

#3F5CC2 #C23F9D #C2A53F #3FC264

square

#3F5CC2 #C23F9D #C2A53F #3FC264

split-complementary

#3F5CC2 #C2643F #9DC23F

monochromatic

#203066 #2F4695 #3F5CC2 #6D83D1 #9CABE0

Accessibility & contrast

On white

5.96

#3F5CC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3F5CC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5CC2

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5CC2	#FFFFFF	#000000	##FFFFFF
##3F5CC2	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#196AC6

Deuteranopia (green-blind)

#005EC0

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3f5cc2;
/* rgb */ color: rgb(63, 92, 194);
/* oklch */ color: oklch(51.0% 0.163 268.2);

Tailwind

colors: {
  custom: {
    50: '#8389d5',
    500: '#3f5cc2',
    950: '#000000',
  },
}

SCSS

$custom: #3f5cc2;
$custom-light: #8389d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5cc2",
  "rgb": {
    "r": 63,
    "g": 92,
    "b": 194
  },
  "hsl": {
    "h": 226.718,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50993,
    "c": 0.16295,
    "h": 268.2
  },
  "luminance": 0.12606
}

Semantic roles & 50–950 ramp

primary

#3F5CC2

secondary

#CCBF91

accent

#BC4DDB

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3F5CC2

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

Preview Lab → · Contrast checker → · Palette generator →