#3F67BA#3F67BA

#3F67BA is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.7% C 0.138 H 263.1°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F67BA
RGB	rgb(63, 103, 186)
HSL	hsl(220, 49%, 49%)
HSV	hsv(220, 66%, 73%)
CMYK	cmyk(66.1%, 44.6%, 0%, 27.1%)
CIE-LAB	lab(44.66, 13.22, -48.02)
CIE-LCH	lch(44.66, 49.81, 285.39°)
OKLab	oklab(52.73% -0.0165 -0.1372)
OKLCH	oklch(52.73% 0.138 263.1)
XYZ	xyz(15.7600, 14.3009, 48.3747)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67BA #BA923F

analogous

#3FA5BA #3F67BA #553FBA

triadic

#3F67BA #BA3F67 #67BA3F

tetradic

#3F67BA #BA3FA5 #BA923F #3FBA55

square

#3F67BA #BA3FA5 #BA923F #3FBA55

split-complementary

#3F67BA #BA553F #A5BA3F

monochromatic

#20345F #304E8C #3F67BA #6A8ACC #97AEDC

Accessibility & contrast

On white

5.44

#3F67BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3F67BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67BA

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67BA	#FFFFFF	#000000	##FFFFFF
##3F67BA	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F70BD

Deuteranopia (green-blind)

#2A64B8

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f67ba;
/* rgb */ color: rgb(63, 103, 186);
/* oklch */ color: oklch(52.7% 0.138 263.1);

Tailwind

colors: {
  custom: {
    50: '#8191cf',
    500: '#3f67ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f67ba;
$custom-light: #8191cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67ba",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 186
  },
  "hsl": {
    "h": 220.488,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52734,
    "c": 0.1382,
    "h": 263.1
  },
  "luminance": 0.14302
}

Semantic roles & 50–950 ramp

primary

#3F67BA

secondary

#C8B58D

accent

#AC4FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3F67BA

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

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