#3F53AE#3F53AE

#3F53AE is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.7% C 0.147 H 270.6°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F53AE
RGB	rgb(63, 83, 174)
HSL	hsl(229, 47%, 46%)
HSV	hsv(229, 64%, 68%)
CMYK	cmyk(63.8%, 52.3%, 0%, 31.8%)
CIE-LAB	lab(38.37, 21.79, -51.09)
CIE-LCH	lch(38.37, 55.54, 293.10°)
OKLab	oklab(47.69% 0.0015 -0.1465)
OKLCH	oklch(47.69% 0.147 270.6)
XYZ	xyz(12.7806, 10.2982, 41.3504)
Luminance	0.1030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F53AE #AE9A3F

analogous

#3F8BAE #3F53AE #633FAE

triadic

#3F53AE #AE3F53 #53AE3F

tetradic

#3F53AE #AE3F8B #AE9A3F #3FAE63

square

#3F53AE #AE3F8B #AE9A3F #3FAE63

split-complementary

#3F53AE #AE633F #8BAE3F

monochromatic

#1E2854 #2F3E81 #3F53AE #6475C7 #909DD7

Accessibility & contrast

On white

6.86

#3F53AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3F53AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F53AE

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F53AE	#FFFFFF	#000000	##FFFFFF
##3F53AE	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C60B1

Deuteranopia (green-blind)

#0056AC

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f53ae;
/* rgb */ color: rgb(63, 83, 174);
/* oklch */ color: oklch(47.7% 0.147 270.6);

Tailwind

colors: {
  custom: {
    50: '#7f83c7',
    500: '#3f53ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f53ae;
$custom-light: #7f83c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f53ae",
  "rgb": {
    "r": 63,
    "g": 83,
    "b": 174
  },
  "hsl": {
    "h": 229.189,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47692,
    "c": 0.14652,
    "h": 270.6
  },
  "luminance": 0.10299
}

Semantic roles & 50–950 ramp

primary

#3F53AE

secondary

#C2B787

accent

#BE51D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3F53AE

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

Preview Lab → · Contrast checker → · Palette generator →