#3F4BAD#3F4BAD

#3F4BAD is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.0% C 0.156 H 273.4°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F4BAD
RGB	rgb(63, 75, 173)
HSL	hsl(233, 47%, 46%)
HSV	hsv(233, 64%, 68%)
CMYK	cmyk(63.6%, 56.6%, 0%, 32.2%)
CIE-LAB	lab(36.19, 26.63, -54.03)
CIE-LCH	lch(36.19, 60.24, 296.24°)
OKLab	oklab(46.03% 0.0092 -0.1553)
OKLCH	oklch(46.03% 0.156 273.4)
XYZ	xyz(12.1063, 9.1050, 40.6465)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4BAD #ADA13F

analogous

#3F82AD #3F4BAD #6A3FAD

triadic

#3F4BAD #AD3F4B #4BAD3F

tetradic

#3F4BAD #AD3F82 #ADA13F #3FAD6A

square

#3F4BAD #AD3F82 #ADA13F #3FAD6A

split-complementary

#3F4BAD #AD6A3F #82AD3F

monochromatic

#1E2453 #2F3880 #3F4BAD #636EC6 #9098D7

Accessibility & contrast

On white

7.44

#3F4BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3F4BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4BAD

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4BAD	#FFFFFF	#000000	##FFFFFF
##3F4BAD	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB0

Deuteranopia (green-blind)

#0050AB

Tritanopia (blue-blind)

#006274

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f4bad;
/* rgb */ color: rgb(63, 75, 173);
/* oklch */ color: oklch(46.0% 0.156 273.4);

Tailwind

colors: {
  custom: {
    50: '#807dc6',
    500: '#3f4bad',
    950: '#000000',
  },
}

SCSS

$custom: #3f4bad;
$custom-light: #807dc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4bad",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 173
  },
  "hsl": {
    "h": 233.455,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.46027,
    "c": 0.15554,
    "h": 273.4
  },
  "luminance": 0.09106
}

Semantic roles & 50–950 ramp

primary

#3F4BAD

secondary

#C2BB86

accent

#C852D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3F4BAD

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

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