#3F76D2#3F76D2

#3F76D2 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.5% C 0.153 H 260.1°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F76D2
RGB	rgb(63, 118, 210)
HSL	hsl(218, 62%, 54%)
HSV	hsv(218, 70%, 82%)
CMYK	cmyk(70%, 43.8%, 0%, 17.6%)
CIE-LAB	lab(50.29, 12.43, -52.80)
CIE-LCH	lch(50.29, 54.24, 283.24°)
OKLab	oklab(57.54% -0.0264 -0.151)
OKLCH	oklch(57.54% 0.153 260.1)
XYZ	xyz(20.1570, 18.6647, 63.5006)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F76D2 #D29B3F

analogous

#3FBFD2 #3F76D2 #513FD2

triadic

#3F76D2 #D23F76 #76D23F

tetradic

#3F76D2 #D23FBF #D29B3F #3FD251

square

#3F76D2 #D23FBF #D29B3F #3FD251

split-complementary

#3F76D2 #D2513F #BFD23F

monochromatic

#1D407A #2859AC #3F76D2 #7199DE #A2BDE9

Accessibility & contrast

On white

4.44

#3F76D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3F76D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F76D2

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F76D2	#FFFFFF	#000000	##000000
##3F76D2	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497FD6

Deuteranopia (green-blind)

#2E71D0

Tritanopia (blue-blind)

#008B9A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f76d2;
/* rgb */ color: rgb(63, 118, 210);
/* oklch */ color: oklch(57.5% 0.153 260.1);

Tailwind

colors: {
  custom: {
    50: '#859ce0',
    500: '#3f76d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f76d2;
$custom-light: #859ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f76d2",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 210
  },
  "hsl": {
    "h": 217.551,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57535,
    "c": 0.15331,
    "h": 260.1
  },
  "luminance": 0.18667
}

Semantic roles & 50–950 ramp

primary

#3F76D2

secondary

#D6BE97

accent

#A843E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3F76D2

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

Preview Lab → · Contrast checker → · Palette generator →