#3F6EBE#3F6EBE

#3F6EBE is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.5% C 0.135 H 260.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F6EBE
RGB	rgb(63, 110, 190)
HSL	hsl(218, 50%, 50%)
HSV	hsv(218, 67%, 75%)
CMYK	cmyk(66.8%, 42.1%, 0%, 25.5%)
CIE-LAB	lab(46.88, 10.24, -46.80)
CIE-LCH	lch(46.88, 47.91, 282.34°)
OKLab	oklab(54.52% -0.0227 -0.1335)
OKLCH	oklch(54.52% 0.135 260.4)
XYZ	xyz(16.9168, 15.9247, 50.8875)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6EBE #BE8F3F

analogous

#3FAEBE #3F6EBE #4F3FBE

triadic

#3F6EBE #BE3F6E #6EBE3F

tetradic

#3F6EBE #BE3FAE #BE8F3F #3FBE4F

square

#3F6EBE #BE3FAE #BE8F3F #3FBE4F

split-complementary

#3F6EBE #BE4F3F #AEBE3F

monochromatic

#213962 #305390 #3F6EBE #6C90CE #9AB3DD

Accessibility & contrast

On white

5.02

#3F6EBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3F6EBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6EBE

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6EBE	#FFFFFF	#000000	##FFFFFF
##3F6EBE	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4975C1

Deuteranopia (green-blind)

#356ABC

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f6ebe;
/* rgb */ color: rgb(63, 110, 190);
/* oklch */ color: oklch(54.5% 0.135 260.4);

Tailwind

colors: {
  custom: {
    50: '#8197d2',
    500: '#3f6ebe',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ebe;
$custom-light: #8197d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ebe",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 190
  },
  "hsl": {
    "h": 217.795,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.54518,
    "c": 0.13544,
    "h": 260.4
  },
  "luminance": 0.15926
}

Semantic roles & 50–950 ramp

primary

#3F6EBE

secondary

#C9B48F

accent

#A64EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3F6EBE

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

Preview Lab → · Contrast checker → · Palette generator →