#3F68BA#3F68BA

#3F68BA is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.0% C 0.137 H 262.6°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3F68BA
RGB	rgb(63, 104, 186)
HSL	hsl(220, 49%, 49%)
HSV	hsv(220, 66%, 73%)
CMYK	cmyk(66.1%, 44.1%, 0%, 27.1%)
CIE-LAB	lab(44.94, 12.58, -47.57)
CIE-LCH	lch(44.94, 49.21, 284.82°)
OKLab	oklab(52.95% -0.0175 -0.1359)
OKLCH	oklch(52.95% 0.137 262.6)
XYZ	xyz(15.8600, 14.5010, 48.4080)
Luminance	0.1450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68BA #BA913F

analogous

#3FA6BA #3F68BA #543FBA

triadic

#3F68BA #BA3F68 #68BA3F

tetradic

#3F68BA #BA3FA6 #BA913F #3FBA54

square

#3F68BA #BA3FA6 #BA913F #3FBA54

split-complementary

#3F68BA #BA543F #A6BA3F

monochromatic

#20355F #304E8C #3F68BA #6A8BCC #97AEDC

Accessibility & contrast

On white

5.38

#3F68BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3F68BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68BA

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68BA	#FFFFFF	#000000	##FFFFFF
##3F68BA	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4170BD

Deuteranopia (green-blind)

#2C65B8

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f68ba;
/* rgb */ color: rgb(63, 104, 186);
/* oklch */ color: oklch(53.0% 0.137 262.6);

Tailwind

colors: {
  custom: {
    50: '#8192cf',
    500: '#3f68ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f68ba;
$custom-light: #8192cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68ba",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 186
  },
  "hsl": {
    "h": 220,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52951,
    "c": 0.137,
    "h": 262.6
  },
  "luminance": 0.14503
}

Semantic roles & 50–950 ramp

primary

#3F68BA

secondary

#C8B48D

accent

#AB4FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0D14

muted

#7C7D82

Preview Lab

Preview with #3F68BA

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

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