#3F6AC0#3F6AC0

#3F6AC0 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.8% C 0.143 H 262.6°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3F6AC0
RGB	rgb(63, 106, 192)
HSL	hsl(220, 51%, 50%)
HSV	hsv(220, 67%, 75%)
CMYK	cmyk(67.2%, 44.8%, 0%, 24.7%)
CIE-LAB	lab(45.86, 13.47, -49.57)
CIE-LCH	lch(45.86, 51.37, 285.20°)
OKLab	oklab(53.78% -0.0184 -0.1417)
OKLCH	oklch(53.78% 0.143 262.6)
XYZ	xyz(16.7150, 15.1690, 51.9060)
Luminance	0.1517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6AC0 #C0953F

analogous

#3FAAC0 #3F6AC0 #553FC0

triadic

#3F6AC0 #C03F6A #6AC03F

tetradic

#3F6AC0 #C03FAA #C0953F #3FC055

square

#3F6AC0 #C03FAA #C0953F #3FC055

split-complementary

#3F6AC0 #C0553F #AAC03F

monochromatic

#213764 #305192 #3F6AC0 #6D8ECF #9BB2DE

Accessibility & contrast

On white

5.21

#3F6AC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3F6AC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6AC0

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6AC0	#FFFFFF	#000000	##FFFFFF
##3F6AC0	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4073C3

Deuteranopia (green-blind)

#2967BE

Tritanopia (blue-blind)

#007E8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f6ac0;
/* rgb */ color: rgb(63, 106, 192);
/* oklch */ color: oklch(53.8% 0.143 262.6);

Tailwind

colors: {
  custom: {
    50: '#8294d3',
    500: '#3f6ac0',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ac0;
$custom-light: #8294d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ac0",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 192
  },
  "hsl": {
    "h": 220,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.53776,
    "c": 0.14291,
    "h": 262.6
  },
  "luminance": 0.15171
}

Semantic roles & 50–950 ramp

primary

#3F6AC0

secondary

#CAB791

accent

#AB4EDA

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F6AC0

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

Preview Lab → · Contrast checker → · Palette generator →