#3F6ABB#3F6ABB

#3F6ABB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.5% C 0.136 H 261.8°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F6ABB
RGB	rgb(63, 106, 187)
HSL	hsl(219, 50%, 49%)
HSV	hsv(219, 66%, 73%)
CMYK	cmyk(66.3%, 43.3%, 0%, 26.7%)
CIE-LAB	lab(45.57, 11.68, -47.15)
CIE-LCH	lch(45.57, 48.58, 283.91°)
OKLab	oklab(53.45% -0.0193 -0.1346)
OKLCH	oklch(53.45% 0.136 261.8)
XYZ	xyz(16.1704, 14.9511, 49.0377)
Luminance	0.1495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6ABB #BB903F

analogous

#3FA8BB #3F6ABB #523FBB

triadic

#3F6ABB #BB3F6A #6ABB3F

tetradic

#3F6ABB #BB3FA8 #BB903F #3FBB52

square

#3F6ABB #BB3FA8 #BB903F #3FBB52

split-complementary

#3F6ABB #BB523F #A8BB3F

monochromatic

#20365F #30508D #3F6ABB #6A8CCD #98B0DC

Accessibility & contrast

On white

5.26

#3F6ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#3F6ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ABB

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6ABB	#FFFFFF	#000000	##FFFFFF
##3F6ABB	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4472BE

Deuteranopia (green-blind)

#3067B9

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f6abb;
/* rgb */ color: rgb(63, 106, 187);
/* oklch */ color: oklch(53.5% 0.136 261.8);

Tailwind

colors: {
  custom: {
    50: '#8194d0',
    500: '#3f6abb',
    950: '#000000',
  },
}

SCSS

$custom: #3f6abb;
$custom-light: #8194d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6abb",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 187
  },
  "hsl": {
    "h": 219.194,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53451,
    "c": 0.13599,
    "h": 261.8
  },
  "luminance": 0.14953
}

Semantic roles & 50–950 ramp

primary

#3F6ABB

secondary

#C8B48E

accent

#A94FD9

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3F6ABB

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

Preview Lab → · Contrast checker → · Palette generator →