#3F6BC1#3F6BC1

#3F6BC1 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.1% C 0.143 H 262.3°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F6BC1
RGB	rgb(63, 107, 193)
HSL	hsl(220, 51%, 50%)
HSV	hsv(220, 67%, 76%)
CMYK	cmyk(67.4%, 44.6%, 0%, 24.3%)
CIE-LAB	lab(46.21, 13.20, -49.61)
CIE-LCH	lch(46.21, 51.33, 284.90°)
OKLab	oklab(54.06% -0.0192 -0.1418)
OKLCH	oklch(54.06% 0.143 262.3)
XYZ	xyz(16.9298, 15.4207, 52.5260)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6BC1 #C1953F

analogous

#3FACC1 #3F6BC1 #543FC1

triadic

#3F6BC1 #C13F6B #6BC13F

tetradic

#3F6BC1 #C13FAC #C1953F #3FC154

square

#3F6BC1 #C13FAC #C1953F #3FC154

split-complementary

#3F6BC1 #C1543F #ACC13F

monochromatic

#213865 #305193 #3F6BC1 #6D8FD0 #9CB2DF

Accessibility & contrast

On white

5.14

#3F6BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#3F6BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6BC1

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6BC1	#FFFFFF	#000000	##FFFFFF
##3F6BC1	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4174C4

Deuteranopia (green-blind)

#2A68BF

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f6bc1;
/* rgb */ color: rgb(63, 107, 193);
/* oklch */ color: oklch(54.1% 0.143 262.3);

Tailwind

colors: {
  custom: {
    50: '#8294d4',
    500: '#3f6bc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f6bc1;
$custom-light: #8294d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6bc1",
  "rgb": {
    "r": 63,
    "g": 107,
    "b": 193
  },
  "hsl": {
    "h": 219.692,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54058,
    "c": 0.1431,
    "h": 262.3
  },
  "luminance": 0.15422
}

Semantic roles & 50–950 ramp

primary

#3F6BC1

secondary

#CBB791

accent

#AB4DDB

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F6BC1

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

Preview Lab → · Contrast checker → · Palette generator →