#3F76D6#3F76D6

#3F76D6 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.159 H 260.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F76D6
RGB	rgb(63, 118, 214)
HSL	hsl(218, 65%, 54%)
HSV	hsv(218, 71%, 84%)
CMYK	cmyk(70.6%, 44.9%, 0%, 16.1%)
CIE-LAB	lab(50.53, 13.87, -54.69)
CIE-LCH	lch(50.53, 56.42, 284.23°)
OKLab	oklab(57.79% -0.0257 -0.1566)
OKLCH	oklch(57.79% 0.159 260.7)
XYZ	xyz(20.6616, 18.8665, 66.1580)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F76D6 #D69F3F

analogous

#3FC1D6 #3F76D6 #543FD6

triadic

#3F76D6 #D63F76 #76D63F

tetradic

#3F76D6 #D63FC1 #D69F3F #3FD654

square

#3F76D6 #D63FC1 #D69F3F #3FD654

split-complementary

#3F76D6 #D6543F #C1D63F

monochromatic

#1B407F #2659B2 #3F76D6 #719AE1 #A4BEEC

Accessibility & contrast

On white

4.40

#3F76D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#3F76D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F76D6

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F76D6	#FFFFFF	#000000	##000000
##3F76D6	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4680DA

Deuteranopia (green-blind)

#2872D4

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f76d6;
/* rgb */ color: rgb(63, 118, 214);
/* oklch */ color: oklch(57.8% 0.159 260.7);

Tailwind

colors: {
  custom: {
    50: '#869ce3',
    500: '#3f76d6',
    950: '#000000',
  },
}

SCSS

$custom: #3f76d6;
$custom-light: #869ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f76d6",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 214
  },
  "hsl": {
    "h": 218.146,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57795,
    "c": 0.15867,
    "h": 260.7
  },
  "luminance": 0.18869
}

Semantic roles & 50–950 ramp

primary

#3F76D6

secondary

#D8C198

accent

#AB40E8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E15

muted

#7D7E84

Preview Lab

Preview with #3F76D6

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

Preview Lab → · Contrast checker → · Palette generator →