#3F68BD#3F68BD

#3F68BD is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.1% C 0.141 H 263.1°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3F68BD
RGB	rgb(63, 104, 189)
HSL	hsl(220, 50%, 49%)
HSV	hsv(220, 67%, 74%)
CMYK	cmyk(66.7%, 45%, 0%, 25.9%)
CIE-LAB	lab(45.12, 13.66, -49.02)
CIE-LCH	lch(45.12, 50.89, 285.57°)
OKLab	oklab(53.15% -0.017 -0.1401)
OKLCH	oklch(53.15% 0.141 263.1)
XYZ	xyz(16.1823, 14.6299, 50.1053)
Luminance	0.1463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68BD #BD943F

analogous

#3FA7BD #3F68BD #553FBD

triadic

#3F68BD #BD3F68 #68BD3F

tetradic

#3F68BD #BD3FA7 #BD943F #3FBD55

square

#3F68BD #BD3FA7 #BD943F #3FBD55

split-complementary

#3F68BD #BD553F #A7BD3F

monochromatic

#203561 #304F8F #3F68BD #6B8BCE #99AFDD

Accessibility & contrast

On white

5.35

#3F68BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#3F68BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68BD

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68BD	#FFFFFF	#000000	##FFFFFF
##3F68BD	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F71C0

Deuteranopia (green-blind)

#2865BB

Tritanopia (blue-blind)

#007C89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f68bd;
/* rgb */ color: rgb(63, 104, 189);
/* oklch */ color: oklch(53.1% 0.141 263.1);

Tailwind

colors: {
  custom: {
    50: '#8192d1',
    500: '#3f68bd',
    950: '#000000',
  },
}

SCSS

$custom: #3f68bd;
$custom-light: #8192d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68bd",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 189
  },
  "hsl": {
    "h": 220.476,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.53148,
    "c": 0.14117,
    "h": 263.1
  },
  "luminance": 0.14632
}

Semantic roles & 50–950 ramp

primary

#3F68BD

secondary

#C9B68F

accent

#AC4EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0D14

muted

#7C7D82

Preview Lab

Preview with #3F68BD

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

Preview Lab → · Contrast checker → · Palette generator →