#3F5DC0#3F5DC0

#3F5DC0 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.159 H 267.7°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F5DC0
RGB	rgb(63, 93, 192)
HSL	hsl(226, 51%, 50%)
HSV	hsv(226, 67%, 75%)
CMYK	cmyk(67.2%, 51.6%, 0%, 24.7%)
CIE-LAB	lab(42.29, 21.77, -55.32)
CIE-LCH	lch(42.29, 59.45, 291.48°)
OKLab	oklab(51.05% -0.0063 -0.1588)
OKLCH	oklch(51.05% 0.159 267.7)
XYZ	xyz(15.4754, 12.6898, 51.4928)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5DC0 #C0A23F

analogous

#3F9DC0 #3F5DC0 #623FC0

triadic

#3F5DC0 #C03F5D #5DC03F

tetradic

#3F5DC0 #C03F9D #C0A23F #3FC062

square

#3F5DC0 #C03F9D #C0A23F #3FC062

split-complementary

#3F5DC0 #C0623F #9DC03F

monochromatic

#213064 #304792 #3F5DC0 #6D84CF #9BABDE

Accessibility & contrast

On white

5.94

#3F5DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3F5DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5DC0

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5DC0	#FFFFFF	#000000	##FFFFFF
##3F5DC0	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206AC4

Deuteranopia (green-blind)

#005EBE

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3f5dc0;
/* rgb */ color: rgb(63, 93, 192);
/* oklch */ color: oklch(51.0% 0.159 267.7);

Tailwind

colors: {
  custom: {
    50: '#828ad4',
    500: '#3f5dc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f5dc0;
$custom-light: #828ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5dc0",
  "rgb": {
    "r": 63,
    "g": 93,
    "b": 192
  },
  "hsl": {
    "h": 226.047,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.51048,
    "c": 0.15894,
    "h": 267.7
  },
  "luminance": 0.12691
}

Semantic roles & 50–950 ramp

primary

#3F5DC0

secondary

#CABD91

accent

#B94EDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3F5DC0

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

Preview Lab → · Contrast checker → · Palette generator →