#3F6CC4#3F6CC4

#3F6CC4 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.5% C 0.146 H 262.3°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F6CC4
RGB	rgb(63, 108, 196)
HSL	hsl(220, 53%, 51%)
HSV	hsv(220, 68%, 77%)
CMYK	cmyk(67.9%, 44.9%, 0%, 23.1%)
CIE-LAB	lab(46.67, 13.65, -50.60)
CIE-LCH	lch(46.67, 52.41, 285.09°)
OKLab	oklab(54.47% -0.0196 -0.1447)
OKLCH	oklch(54.47% 0.146 262.3)
XYZ	xyz(17.3727, 15.7657, 54.3414)
Luminance	0.1577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6CC4 #C4973F

analogous

#3FAEC4 #3F6CC4 #543FC4

triadic

#3F6CC4 #C43F6C #6CC43F

tetradic

#3F6CC4 #C43FAE #C4973F #3FC454

square

#3F6CC4 #C43FAE #C4973F #3FC454

split-complementary

#3F6CC4 #C4543F #AEC43F

monochromatic

#203968 #2E5297 #3F6CC4 #6E90D2 #9DB4E1

Accessibility & contrast

On white

5.06

#3F6CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#3F6CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6CC4

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6CC4	#FFFFFF	#000000	##FFFFFF
##3F6CC4	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4175C7

Deuteranopia (green-blind)

#2869C2

Tritanopia (blue-blind)

#00808E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f6cc4;
/* rgb */ color: rgb(63, 108, 196);
/* oklch */ color: oklch(54.5% 0.146 262.3);

Tailwind

colors: {
  custom: {
    50: '#8295d6',
    500: '#3f6cc4',
    950: '#000000',
  },
}

SCSS

$custom: #3f6cc4;
$custom-light: #8295d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6cc4",
  "rgb": {
    "r": 63,
    "g": 108,
    "b": 196
  },
  "hsl": {
    "h": 219.699,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5447,
    "c": 0.14604,
    "h": 262.3
  },
  "luminance": 0.15767
}

Semantic roles & 50–950 ramp

primary

#3F6CC4

secondary

#CDB992

accent

#AB4BDC

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F6CC4

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

Preview Lab → · Contrast checker → · Palette generator →