#3A63BA#3A63BA

#3A63BA is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.6% C 0.145 H 263.3°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A63BA
RGB	rgb(58, 99, 186)
HSL	hsl(221, 52%, 48%)
HSV	hsv(221, 69%, 73%)
CMYK	cmyk(68.8%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(43.31, 14.95, -50.20)
CIE-LCH	lch(43.31, 52.38, 286.58°)
OKLab	oklab(51.64% -0.017 -0.1438)
OKLCH	oklch(51.64% 0.145 263.3)
XYZ	xyz(15.0666, 13.3669, 48.2309)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A63BA #BA913A

analogous

#3AA3BA #3A63BA #513ABA

triadic

#3A63BA #BA3A63 #63BA3A

tetradic

#3A63BA #BA3AA3 #BA913A #3ABA51

square

#3A63BA #BA3AA3 #BA913A #3ABA51

split-complementary

#3A63BA #BA513A #A3BA3A

monochromatic

#1D315D #2B4A8B #3A63BA #6385CE #92AADD

Accessibility & contrast

On white

5.72

#3A63BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3A63BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A63BA

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A63BA	#FFFFFF	#000000	##FFFFFF
##3A63BA	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366DBD

Deuteranopia (green-blind)

#1B61B8

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3a63ba;
/* rgb */ color: rgb(58, 99, 186);
/* oklch */ color: oklch(51.6% 0.145 263.3);

Tailwind

colors: {
  custom: {
    50: '#7f8ecf',
    500: '#3a63ba',
    950: '#000000',
  },
}

SCSS

$custom: #3a63ba;
$custom-light: #7f8ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a63ba",
  "rgb": {
    "r": 58,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 220.781,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.51635,
    "c": 0.14476,
    "h": 263.3
  },
  "luminance": 0.13368
}

Semantic roles & 50–950 ramp

primary

#3A63BA

secondary

#C8B388

accent

#AE4CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3A63BA

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

Preview Lab → · Contrast checker → · Palette generator →