#3F5ABE#3F5ABE

#3F5ABE is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.160 H 268.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F5ABE
RGB	rgb(63, 90, 190)
HSL	hsl(227, 50%, 50%)
HSV	hsv(227, 67%, 75%)
CMYK	cmyk(66.8%, 52.6%, 0%, 25.5%)
CIE-LAB	lab(41.35, 22.98, -55.67)
CIE-LCH	lch(41.35, 60.23, 292.43°)
OKLab	oklab(50.29% -0.0037 -0.1599)
OKLCH	oklch(50.29% 0.16 268.7)
XYZ	xyz(14.9971, 12.0854, 50.2476)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5ABE #BEA33F

analogous

#3F9ABE #3F5ABE #633FBE

triadic

#3F5ABE #BE3F5A #5ABE3F

tetradic

#3F5ABE #BE3F9A #BEA33F #3FBE63

square

#3F5ABE #BE3F9A #BEA33F #3FBE63

split-complementary

#3F5ABE #BE633F #9ABE3F

monochromatic

#212E62 #304490 #3F5ABE #6C81CE #9AA8DD

Accessibility & contrast

On white

6.15

#3F5ABE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3F5ABE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5ABE

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5ABE	#FFFFFF	#000000	##FFFFFF
##3F5ABE	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1968C2

Deuteranopia (green-blind)

#005CBC

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3f5abe;
/* rgb */ color: rgb(63, 90, 190);
/* oklch */ color: oklch(50.3% 0.160 268.7);

Tailwind

colors: {
  custom: {
    50: '#8288d2',
    500: '#3f5abe',
    950: '#000000',
  },
}

SCSS

$custom: #3f5abe;
$custom-light: #8288d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5abe",
  "rgb": {
    "r": 63,
    "g": 90,
    "b": 190
  },
  "hsl": {
    "h": 227.244,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50293,
    "c": 0.15995,
    "h": 268.7
  },
  "luminance": 0.12087
}

Semantic roles & 50–950 ramp

primary

#3F5ABE

secondary

#C9BD8F

accent

#BC4EDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3F5ABE

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

Preview Lab → · Contrast checker → · Palette generator →