#4B66DC#4B66DC

#4B66DC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.5% C 0.182 H 269.8°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4B66DC
RGB	rgb(75, 102, 220)
HSL	hsl(229, 67%, 58%)
HSV	hsv(229, 66%, 86%)
CMYK	cmyk(65.9%, 53.6%, 0%, 13.7%)
CIE-LAB	lab(47.19, 27.81, -63.45)
CIE-LCH	lch(47.19, 69.28, 293.67°)
OKLab	oklab(55.52% -0.0006 -0.1824)
OKLCH	oklch(55.52% 0.182 269.8)
XYZ	xyz(20.5669, 16.1640, 69.7324)
Luminance	0.1617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B66DC #DCC14B

analogous

#4BAEDC #4B66DC #794BDC

triadic

#4B66DC #DC4B66 #66DC4B

tetradic

#4B66DC #DC4BAE #DCC14B #4BDC79

square

#4B66DC #DC4BAE #DCC14B #4BDC79

split-complementary

#4B66DC #DC794B #AEDC4B

monochromatic

#1C3291 #2643C4 #4B66DC #7E92E6 #B1BDF0

Accessibility & contrast

On white

4.96

#4B66DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#4B66DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B66DC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B66DC	#FFFFFF	#000000	##FFFFFF
##4B66DC	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D77E0

Deuteranopia (green-blind)

#006ADA

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4b66dc;
/* rgb */ color: rgb(75, 102, 220);
/* oklch */ color: oklch(55.5% 0.182 269.8);

Tailwind

colors: {
  custom: {
    50: '#8d91e8',
    500: '#4b66dc',
    950: '#000000',
  },
}

SCSS

$custom: #4b66dc;
$custom-light: #8d91e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b66dc",
  "rgb": {
    "r": 75,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 228.828,
    "s": 67.442,
    "l": 57.843
  },
  "oklch": {
    "l": 0.55522,
    "c": 0.18236,
    "h": 269.8
  },
  "luminance": 0.16166
}

Semantic roles & 50–950 ramp

primary

#4B66DC

secondary

#DED4A4

accent

#CA3DEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4B66DC

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

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