#3F62BF#3F62BF

#3F62BF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.151 H 265.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F62BF
RGB	rgb(63, 98, 191)
HSL	hsl(224, 50%, 50%)
HSV	hsv(224, 67%, 75%)
CMYK	cmyk(67%, 48.7%, 0%, 25.1%)
CIE-LAB	lab(43.58, 18.20, -52.65)
CIE-LCH	lch(43.58, 55.71, 289.07°)
OKLab	oklab(52.01% -0.011 -0.1509)
OKLCH	oklch(52.01% 0.151 265.8)
XYZ	xyz(15.8183, 13.5522, 51.0623)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F62BF #BF9C3F

analogous

#3FA2BF #3F62BF #5C3FBF

triadic

#3F62BF #BF3F62 #62BF3F

tetradic

#3F62BF #BF3FA2 #BF9C3F #3FBF5C

square

#3F62BF #BF3FA2 #BF9C3F #3FBF5C

split-complementary

#3F62BF #BF5C3F #A2BF3F

monochromatic

#213363 #304A91 #3F62BF #6D87CF #9BADDE

Accessibility & contrast

On white

5.66

#3F62BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3F62BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F62BF

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F62BF	#FFFFFF	#000000	##FFFFFF
##3F62BF	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306DC2

Deuteranopia (green-blind)

#0F61BD

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f62bf;
/* rgb */ color: rgb(63, 98, 191);
/* oklch */ color: oklch(52.0% 0.151 265.8);

Tailwind

colors: {
  custom: {
    50: '#828ed3',
    500: '#3f62bf',
    950: '#000000',
  },
}

SCSS

$custom: #3f62bf;
$custom-light: #828ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f62bf",
  "rgb": {
    "r": 63,
    "g": 98,
    "b": 191
  },
  "hsl": {
    "h": 223.594,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52009,
    "c": 0.15131,
    "h": 265.8
  },
  "luminance": 0.13554
}

Semantic roles & 50–950 ramp

primary

#3F62BF

secondary

#CABA90

accent

#B44EDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3F62BF

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

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