#3F62CF#3F62CF

#3F62CF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.2% C 0.173 H 266.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F62CF
RGB	rgb(63, 98, 207)
HSL	hsl(225, 60%, 53%)
HSV	hsv(225, 70%, 81%)
CMYK	cmyk(69.6%, 52.7%, 0%, 18.8%)
CIE-LAB	lab(44.65, 23.96, -60.16)
CIE-LCH	lch(44.65, 64.76, 291.72°)
OKLab	oklab(53.16% -0.0093 -0.173)
OKLCH	oklch(53.16% 0.173 266.9)
XYZ	xyz(17.6762, 14.2953, 60.8471)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F62CF #CFAC3F

analogous

#3FAACF #3F62CF #643FCF

triadic

#3F62CF #CF3F62 #62CF3F

tetradic

#3F62CF #CF3FAA #CFAC3F #3FCF64

square

#3F62CF #CF3FAA #CFAC3F #3FCF64

split-complementary

#3F62CF #CF643F #AACF3F

monochromatic

#1E3376 #2A48A7 #3F62CF #708ADB #A1B2E7

Accessibility & contrast

On white

5.44

#3F62CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3F62CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F62CF

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F62CF	#FFFFFF	#000000	##FFFFFF
##3F62CF	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1771D3

Deuteranopia (green-blind)

#0063CD

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f62cf;
/* rgb */ color: rgb(63, 98, 207);
/* oklch */ color: oklch(53.2% 0.173 266.9);

Tailwind

colors: {
  custom: {
    50: '#858ede',
    500: '#3f62cf',
    950: '#000000',
  },
}

SCSS

$custom: #3f62cf;
$custom-light: #858ede;
$custom-dark: #000000;

JSON

{
  "hex": "#3f62cf",
  "rgb": {
    "r": 63,
    "g": 98,
    "b": 207
  },
  "hsl": {
    "h": 225.417,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53163,
    "c": 0.17325,
    "h": 266.9
  },
  "luminance": 0.14297
}

Semantic roles & 50–950 ramp

primary

#3F62CF

secondary

#D4C596

accent

#BD45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F62CF

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

Preview Lab → · Contrast checker → · Palette generator →