#3F62BE#3F62BE

#3F62BE is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.9% C 0.150 H 265.7°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F62BE
RGB	rgb(63, 98, 190)
HSL	hsl(223, 50%, 50%)
HSV	hsv(223, 67%, 75%)
CMYK	cmyk(66.8%, 48.4%, 0%, 25.5%)
CIE-LAB	lab(43.52, 17.84, -52.18)
CIE-LCH	lch(43.52, 55.14, 288.88°)
OKLab	oklab(51.94% -0.0111 -0.1495)
OKLCH	oklch(51.94% 0.15 265.7)
XYZ	xyz(15.7086, 13.5083, 50.4847)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F62BE #BE9B3F

analogous

#3FA1BE #3F62BE #5C3FBE

triadic

#3F62BE #BE3F62 #62BE3F

tetradic

#3F62BE #BE3FA1 #BE9B3F #3FBE5C

square

#3F62BE #BE3FA1 #BE9B3F #3FBE5C

split-complementary

#3F62BE #BE5C3F #A1BE3F

monochromatic

#213362 #304A90 #3F62BE #6C87CE #9AADDD

Accessibility & contrast

On white

5.67

#3F62BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#3F62BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F62BE

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F62BE	#FFFFFF	#000000	##FFFFFF
##3F62BE	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316DC1

Deuteranopia (green-blind)

#1261BC

Tritanopia (blue-blind)

#007787

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f62be;
/* rgb */ color: rgb(63, 98, 190);
/* oklch */ color: oklch(51.9% 0.150 265.7);

Tailwind

colors: {
  custom: {
    50: '#828ed2',
    500: '#3f62be',
    950: '#000000',
  },
}

SCSS

$custom: #3f62be;
$custom-light: #828ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f62be",
  "rgb": {
    "r": 63,
    "g": 98,
    "b": 190
  },
  "hsl": {
    "h": 223.465,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51939,
    "c": 0.14991,
    "h": 265.7
  },
  "luminance": 0.1351
}

Semantic roles & 50–950 ramp

primary

#3F62BE

secondary

#C9B98F

accent

#B34EDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3F62BE

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

Preview Lab → · Contrast checker → · Palette generator →