#4A63BB#4A63BB

#4A63BB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.5% C 0.141 H 269.2°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4A63BB
RGB	rgb(74, 99, 187)
HSL	hsl(227, 45%, 51%)
HSV	hsv(227, 60%, 73%)
CMYK	cmyk(60.4%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(44.18, 18.11, -49.34)
CIE-LCH	lch(44.18, 52.55, 290.15°)
OKLab	oklab(52.54% -0.002 -0.1409)
OKLCH	oklch(52.54% 0.141 269.2)
XYZ	xyz(16.2525, 13.9660, 48.8433)
Luminance	0.1397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A63BB #BBA24A

analogous

#4A9BBB #4A63BB #694ABB

triadic

#4A63BB #BB4A63 #63BB4A

tetradic

#4A63BB #BB4A9B #BBA24A #4ABB69

square

#4A63BB #BB4A9B #BBA24A #4ABB69

split-complementary

#4A63BB #BB694A #9BBB4A

monochromatic

#263465 #374B91 #4A63BB #7689CC #A3B0DC

Accessibility & contrast

On white

5.54

#4A63BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#4A63BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A63BB

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A63BB	#FFFFFF	#000000	##FFFFFF
##4A63BB	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBE

Deuteranopia (green-blind)

#2664B9

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4a63bb;
/* rgb */ color: rgb(74, 99, 187);
/* oklch */ color: oklch(52.5% 0.141 269.2);

Tailwind

colors: {
  custom: {
    50: '#868fd0',
    500: '#4a63bb',
    950: '#000000',
  },
}

SCSS

$custom: #4a63bb;
$custom-light: #868fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4a63bb",
  "rgb": {
    "r": 74,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 226.726,
    "s": 45.382,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52542,
    "c": 0.14091,
    "h": 269.2
  },
  "luminance": 0.13967
}

Semantic roles & 50–950 ramp

primary

#4A63BB

secondary

#C9BE97

accent

#B853D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4A63BB

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

Preview Lab → · Contrast checker → · Palette generator →