#3F6EC6#3F6EC6

#3F6EC6 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.0% C 0.146 H 261.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F6EC6
RGB	rgb(63, 110, 198)
HSL	hsl(219, 54%, 51%)
HSV	hsv(219, 68%, 78%)
CMYK	cmyk(68.2%, 44.4%, 0%, 22.4%)
CIE-LAB	lab(47.34, 13.11, -50.66)
CIE-LCH	lch(47.34, 52.33, 284.51°)
OKLab	oklab(55.03% -0.0212 -0.1449)
OKLCH	oklch(55.03% 0.146 261.7)
XYZ	xyz(17.8153, 16.2840, 55.6194)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6EC6 #C6973F

analogous

#3FB1C6 #3F6EC6 #533FC6

triadic

#3F6EC6 #C63F6E #6EC63F

tetradic

#3F6EC6 #C63FB1 #C6973F #3FC653

square

#3F6EC6 #C63FB1 #C6973F #3FC653

split-complementary

#3F6EC6 #C6533F #B1C63F

monochromatic

#203A6B #2E539A #3F6EC6 #6E92D4 #9DB5E2

Accessibility & contrast

On white

4.93

#3F6EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3F6EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6EC6

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6EC6	#FFFFFF	#000000	##FFFFFF
##3F6EC6	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4377C9

Deuteranopia (green-blind)

#2B6AC4

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f6ec6;
/* rgb */ color: rgb(63, 110, 198);
/* oklch */ color: oklch(55.0% 0.146 261.7);

Tailwind

colors: {
  custom: {
    50: '#8397d8',
    500: '#3f6ec6',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ec6;
$custom-light: #8397d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ec6",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 198
  },
  "hsl": {
    "h": 219.111,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55032,
    "c": 0.1464,
    "h": 261.7
  },
  "luminance": 0.16286
}

Semantic roles & 50–950 ramp

primary

#3F6EC6

secondary

#CEB993

accent

#AA4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F6EC6

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

Preview Lab → · Contrast checker → · Palette generator →