#3A63B3#3A63B3

#3A63B3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.135 H 262.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3A63B3
RGB	rgb(58, 99, 179)
HSL	hsl(220, 51%, 46%)
HSV	hsv(220, 68%, 70%)
CMYK	cmyk(67.6%, 44.7%, 0%, 29.8%)
CIE-LAB	lab(42.88, 12.40, -46.80)
CIE-LCH	lch(42.88, 48.42, 284.84°)
OKLab	oklab(51.16% -0.0182 -0.1338)
OKLCH	oklch(51.16% 0.135 262.3)
XYZ	xyz(14.3406, 13.0765, 44.4073)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A63B3 #B38A3A

analogous

#3AA0B3 #3A63B3 #4D3AB3

triadic

#3A63B3 #B33A63 #63B33A

tetradic

#3A63B3 #B33AA0 #B38A3A #3AB34D

square

#3A63B3 #B33AA0 #B38A3A #3AB34D

split-complementary

#3A63B3 #B34D3A #A0B33A

monochromatic

#1C3057 #2B4985 #3A63B3 #5F84CB #8DA7DA

Accessibility & contrast

On white

5.81

#3A63B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3A63B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A63B3

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A63B3	#FFFFFF	#000000	##FFFFFF
##3A63B3	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6BB6

Deuteranopia (green-blind)

#2760B1

Tritanopia (blue-blind)

#007582

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3a63b3;
/* rgb */ color: rgb(58, 99, 179);
/* oklch */ color: oklch(51.2% 0.135 262.3);

Tailwind

colors: {
  custom: {
    50: '#7d8eca',
    500: '#3a63b3',
    950: '#000000',
  },
}

SCSS

$custom: #3a63b3;
$custom-light: #7d8eca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a63b3",
  "rgb": {
    "r": 58,
    "g": 99,
    "b": 179
  },
  "hsl": {
    "h": 219.669,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.51163,
    "c": 0.13501,
    "h": 262.3
  },
  "luminance": 0.13078
}

Semantic roles & 50–950 ramp

primary

#3A63B3

secondary

#C5AF84

accent

#AB4DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3A63B3

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

Preview Lab → · Contrast checker → · Palette generator →