#4B63EC#4B63EC

#4B63EC is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.2% C 0.207 H 270.7°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4B63EC
RGB	rgb(75, 99, 236)
HSL	hsl(231, 81%, 61%)
HSV	hsv(231, 68%, 93%)
CMYK	cmyk(68.2%, 58.1%, 0%, 7.5%)
CIE-LAB	lab(47.59, 35.20, -71.83)
CIE-LCH	lch(47.59, 79.99, 296.11°)
OKLab	oklab(56.18% 0.0024 -0.207)
OKLCH	oklch(56.18% 0.207 270.7)
XYZ	xyz(22.4987, 16.4735, 81.3346)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63EC #ECD44B

analogous

#4BB3EC #4B63EC #834BEC

triadic

#4B63EC #EC4B63 #63EC4B

tetradic

#4B63EC #EC4BB3 #ECD44B #4BEC83

square

#4B63EC #EC4BB3 #ECD44B #4BEC83

split-complementary

#4B63EC #EC834B #B3EC4B

monochromatic

#1229AB #1836E2 #4B63EC #8293F2 #BAC3F8

Accessibility & contrast

On white

4.89

#4B63EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#4B63EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63EC

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63EC	#FFFFFF	#000000	##FFFFFF
##4B63EC	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F1

Deuteranopia (green-blind)

#006AE9

Tritanopia (blue-blind)

#00859E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4b63ec;
/* rgb */ color: rgb(75, 99, 236);
/* oklch */ color: oklch(56.2% 0.207 270.7);

Tailwind

colors: {
  custom: {
    50: '#908ff3',
    500: '#4b63ec',
    950: '#000000',
  },
}

SCSS

$custom: #4b63ec;
$custom-light: #908ff3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63ec",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 236
  },
  "hsl": {
    "h": 231.056,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.56185,
    "c": 0.20706,
    "h": 270.7
  },
  "luminance": 0.16476
}

Semantic roles & 50–950 ramp

primary

#4B63EC

secondary

#E8DFAB

accent

#BE08DD

background

#F9F8FF

surface

#F2F0FE

border

#CCCBD6

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #4B63EC

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

Preview Lab → · Contrast checker → · Palette generator →