#4A66DB#4A66DB

#4A66DB is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.4% C 0.181 H 269.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4A66DB
RGB	rgb(74, 102, 219)
HSL	hsl(228, 67%, 57%)
HSV	hsv(228, 66%, 86%)
CMYK	cmyk(66.2%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(47.07, 27.31, -63.08)
CIE-LCH	lch(47.07, 68.74, 293.41°)
OKLab	oklab(55.4% -0.0016 -0.1813)
OKLCH	oklch(55.4% 0.181 269.5)
XYZ	xyz(20.3572, 16.0712, 69.0333)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A66DB #DBBF4A

analogous

#4AAEDB #4A66DB #774ADB

triadic

#4A66DB #DB4A66 #66DB4A

tetradic

#4A66DB #DB4AAE #DBBF4A #4ADB77

square

#4A66DB #DB4AAE #DBBF4A #4ADB77

split-complementary

#4A66DB #DB774A #AEDB4A

monochromatic

#1C328E #2644C1 #4A66DB #7D91E5 #B0BCEF

Accessibility & contrast

On white

4.98

#4A66DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#4A66DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66DB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A66DB	#FFFFFF	#000000	##FFFFFF
##4A66DB	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1076DF

Deuteranopia (green-blind)

#0069D9

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4a66db;
/* rgb */ color: rgb(74, 102, 219);
/* oklch */ color: oklch(55.4% 0.181 269.5);

Tailwind

colors: {
  custom: {
    50: '#8c91e7',
    500: '#4a66db',
    950: '#000000',
  },
}

SCSS

$custom: #4a66db;
$custom-light: #8c91e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4a66db",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 228.414,
    "s": 66.82,
    "l": 57.451
  },
  "oklch": {
    "l": 0.55395,
    "c": 0.1813,
    "h": 269.5
  },
  "luminance": 0.16073
}

Semantic roles & 50–950 ramp

primary

#4A66DB

secondary

#DED2A3

accent

#C93EEA

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4A66DB

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

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