#4A66DD#4A66DD

#4A66DD is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.5% C 0.184 H 269.5°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4A66DD
RGB	rgb(74, 102, 221)
HSL	hsl(229, 68%, 58%)
HSV	hsv(229, 67%, 87%)
CMYK	cmyk(66.5%, 53.8%, 0%, 13.3%)
CIE-LAB	lab(47.21, 28.01, -63.99)
CIE-LCH	lch(47.21, 69.85, 293.64°)
OKLab	oklab(55.54% -0.0015 -0.184)
OKLCH	oklch(55.54% 0.184 269.5)
XYZ	xyz(20.6221, 16.1771, 70.4283)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A66DD #DDC14A

analogous

#4AB0DD #4A66DD #774ADD

triadic

#4A66DD #DD4A66 #66DD4A

tetradic

#4A66DD #DD4AB0 #DDC14A #4ADD77

square

#4A66DD #DD4AB0 #DDC14A #4ADD77

split-complementary

#4A66DD #DD774A #B0DD4A

monochromatic

#1B3291 #2543C5 #4A66DD #7E92E7 #B1BDF0

Accessibility & contrast

On white

4.96

#4A66DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#4A66DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A66DD

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A66DD	#FFFFFF	#000000	##FFFFFF
##4A66DD	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0777E1

Deuteranopia (green-blind)

#006ADB

Tritanopia (blue-blind)

#008298

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4a66dd;
/* rgb */ color: rgb(74, 102, 221);
/* oklch */ color: oklch(55.5% 0.184 269.5);

Tailwind

colors: {
  custom: {
    50: '#8c91e8',
    500: '#4a66dd',
    950: '#000000',
  },
}

SCSS

$custom: #4a66dd;
$custom-light: #8c91e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4a66dd",
  "rgb": {
    "r": 74,
    "g": 102,
    "b": 221
  },
  "hsl": {
    "h": 228.571,
    "s": 68.372,
    "l": 57.843
  },
  "oklch": {
    "l": 0.55543,
    "c": 0.18398,
    "h": 269.5
  },
  "luminance": 0.16179
}

Semantic roles & 50–950 ramp

primary

#4A66DD

secondary

#DFD4A4

accent

#CA3DEB

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4A66DD

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

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