#3A63B7#3A63B7

#3A63B7 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.4% C 0.141 H 262.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A63B7
RGB	rgb(58, 99, 183)
HSL	hsl(220, 52%, 47%)
HSV	hsv(220, 68%, 72%)
CMYK	cmyk(68.3%, 45.9%, 0%, 28.2%)
CIE-LAB	lab(43.12, 13.86, -48.75)
CIE-LCH	lch(43.12, 50.68, 285.87°)
OKLab	oklab(51.43% -0.0175 -0.1395)
OKLCH	oklch(51.43% 0.141 262.9)
XYZ	xyz(14.7510, 13.2406, 46.5689)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A63B7 #B78E3A

analogous

#3AA2B7 #3A63B7 #503AB7

triadic

#3A63B7 #B73A63 #63B73A

tetradic

#3A63B7 #B73AA2 #B78E3A #3AB750

square

#3A63B7 #B73AA2 #B78E3A #3AB750

split-complementary

#3A63B7 #B7503A #A2B73A

monochromatic

#1D315A #2B4A89 #3A63B7 #6185CD #90A9DC

Accessibility & contrast

On white

5.76

#3A63B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3A63B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A63B7

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A63B7	#FFFFFF	#000000	##FFFFFF
##3A63B7	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396CBA

Deuteranopia (green-blind)

#2160B5

Tritanopia (blue-blind)

#007684

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3a63b7;
/* rgb */ color: rgb(58, 99, 183);
/* oklch */ color: oklch(51.4% 0.141 262.9);

Tailwind

colors: {
  custom: {
    50: '#7e8ecd',
    500: '#3a63b7',
    950: '#000000',
  },
}

SCSS

$custom: #3a63b7;
$custom-light: #7e8ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a63b7",
  "rgb": {
    "r": 58,
    "g": 99,
    "b": 183
  },
  "hsl": {
    "h": 220.32,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.51431,
    "c": 0.14059,
    "h": 262.9
  },
  "luminance": 0.13242
}

Semantic roles & 50–950 ramp

primary

#3A63B7

secondary

#C7B186

accent

#AC4CDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3A63B7

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

Preview Lab → · Contrast checker → · Palette generator →