#3F6BD2#3F6BD2

#3F6BD2 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.2% C 0.166 H 264.3°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3F6BD2
RGB	rgb(63, 107, 210)
HSL	hsl(222, 62%, 54%)
HSV	hsv(222, 70%, 82%)
CMYK	cmyk(70%, 49%, 0%, 17.6%)
CIE-LAB	lab(47.27, 19.33, -57.66)
CIE-LCH	lch(47.27, 60.81, 288.53°)
OKLab	oklab(55.21% -0.0166 -0.1655)
OKLCH	oklch(55.21% 0.166 264.3)
XYZ	xyz(18.9364, 16.2233, 63.0937)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6BD2 #D2A63F

analogous

#3FB4D2 #3F6BD2 #5C3FD2

triadic

#3F6BD2 #D23F6B #6BD23F

tetradic

#3F6BD2 #D23FB4 #D2A63F #3FD25C

square

#3F6BD2 #D23FB4 #D2A63F #3FD25C

split-complementary

#3F6BD2 #D25C3F #B4D23F

monochromatic

#1D397A #2850AC #3F6BD2 #7191DE #A2B7E9

Accessibility & contrast

On white

4.95

#3F6BD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3F6BD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6BD2

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6BD2	#FFFFFF	#000000	##FFFFFF
##3F6BD2	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3177D6

Deuteranopia (green-blind)

#006AD0

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f6bd2;
/* rgb */ color: rgb(63, 107, 210);
/* oklch */ color: oklch(55.2% 0.166 264.3);

Tailwind

colors: {
  custom: {
    50: '#8594e0',
    500: '#3f6bd2',
    950: '#000000',
  },
}

SCSS

$custom: #3f6bd2;
$custom-light: #8594e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6bd2",
  "rgb": {
    "r": 63,
    "g": 107,
    "b": 210
  },
  "hsl": {
    "h": 222.041,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55212,
    "c": 0.16632,
    "h": 264.3
  },
  "luminance": 0.16225
}

Semantic roles & 50–950 ramp

primary

#3F6BD2

secondary

#D6C397

accent

#B443E5

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F6BD2

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

Preview Lab → · Contrast checker → · Palette generator →