#3F6EBD#3F6EBD

#3F6EBD is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.5% C 0.134 H 260.2°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F6EBD
RGB	rgb(63, 110, 189)
HSL	hsl(218, 50%, 49%)
HSV	hsv(218, 67%, 74%)
CMYK	cmyk(66.7%, 41.8%, 0%, 25.9%)
CIE-LAB	lab(46.82, 9.88, -46.32)
CIE-LCH	lch(46.82, 47.36, 282.04°)
OKLab	oklab(54.46% -0.0229 -0.1321)
OKLCH	oklch(54.46% 0.134 260.2)
XYZ	xyz(16.8079, 15.8811, 50.3138)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6EBD #BD8E3F

analogous

#3FADBD #3F6EBD #4F3FBD

triadic

#3F6EBD #BD3F6E #6EBD3F

tetradic

#3F6EBD #BD3FAD #BD8E3F #3FBD4F

square

#3F6EBD #BD3FAD #BD8E3F #3FBD4F

split-complementary

#3F6EBD #BD4F3F #ADBD3F

monochromatic

#203961 #30538F #3F6EBD #6B90CE #99B3DD

Accessibility & contrast

On white

5.03

#3F6EBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#3F6EBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6EBD

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6EBD	#FFFFFF	#000000	##FFFFFF
##3F6EBD	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4975C0

Deuteranopia (green-blind)

#366ABB

Tritanopia (blue-blind)

#00808C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f6ebd;
/* rgb */ color: rgb(63, 110, 189);
/* oklch */ color: oklch(54.5% 0.134 260.2);

Tailwind

colors: {
  custom: {
    50: '#8197d1',
    500: '#3f6ebd',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ebd;
$custom-light: #8197d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ebd",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 189
  },
  "hsl": {
    "h": 217.619,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54455,
    "c": 0.13406,
    "h": 260.2
  },
  "luminance": 0.15883
}

Semantic roles & 50–950 ramp

primary

#3F6EBD

secondary

#C9B38F

accent

#A64EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3F6EBD

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

Preview Lab → · Contrast checker → · Palette generator →