#3F62BD#3F62BD

#3F62BD is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.9% C 0.149 H 265.7°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F62BD
RGB	rgb(63, 98, 189)
HSL	hsl(223, 50%, 49%)
HSV	hsv(223, 67%, 74%)
CMYK	cmyk(66.7%, 48.1%, 0%, 25.9%)
CIE-LAB	lab(43.46, 17.48, -51.70)
CIE-LCH	lch(43.46, 54.58, 288.68°)
OKLab	oklab(51.87% -0.0112 -0.1481)
OKLCH	oklch(51.87% 0.149 265.7)
XYZ	xyz(15.5997, 13.4648, 49.9111)
Luminance	0.1347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F62BD #BD9A3F

analogous

#3FA1BD #3F62BD #5B3FBD

triadic

#3F62BD #BD3F62 #62BD3F

tetradic

#3F62BD #BD3FA1 #BD9A3F #3FBD5B

square

#3F62BD #BD3FA1 #BD9A3F #3FBD5B

split-complementary

#3F62BD #BD5B3F #A1BD3F

monochromatic

#203261 #304A8F #3F62BD #6B87CE #99ACDD

Accessibility & contrast

On white

5.69

#3F62BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3F62BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F62BD

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F62BD	#FFFFFF	#000000	##FFFFFF
##3F62BD	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326DC0

Deuteranopia (green-blind)

#1561BB

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f62bd;
/* rgb */ color: rgb(63, 98, 189);
/* oklch */ color: oklch(51.9% 0.149 265.7);

Tailwind

colors: {
  custom: {
    50: '#828ed1',
    500: '#3f62bd',
    950: '#000000',
  },
}

SCSS

$custom: #3f62bd;
$custom-light: #828ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f62bd",
  "rgb": {
    "r": 63,
    "g": 98,
    "b": 189
  },
  "hsl": {
    "h": 223.333,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.5187,
    "c": 0.14853,
    "h": 265.7
  },
  "luminance": 0.13466
}

Semantic roles & 50–950 ramp

primary

#3F62BD

secondary

#C9B98F

accent

#B34EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #3F62BD

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

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