#4A78DD#4A78DD

#4A78DD is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.2% C 0.162 H 263.8°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#4A78DD
RGB	rgb(74, 120, 221)
HSL	hsl(221, 68%, 58%)
HSV	hsv(221, 67%, 87%)
CMYK	cmyk(66.5%, 45.7%, 0%, 13.3%)
CIE-LAB	lab(51.96, 16.78, -56.33)
CIE-LCH	lch(51.96, 58.78, 286.59°)
OKLab	oklab(59.15% -0.0176 -0.1612)
OKLCH	oklch(59.15% 0.162 263.8)
XYZ	xyz(22.5871, 20.1070, 71.0833)
Luminance	0.2011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A78DD #DDAF4A

analogous

#4AC2DD #4A78DD #654ADD

triadic

#4A78DD #DD4A78 #78DD4A

tetradic

#4A78DD #DD4AC2 #DDAF4A #4ADD65

square

#4A78DD #DD4AC2 #DDAF4A #4ADD65

split-complementary

#4A78DD #DD654A #C2DD4A

monochromatic

#1B4091 #2557C5 #4A78DD #7E9EE7 #B1C5F0

Accessibility & contrast

On white

4.18

#4A78DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#4A78DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A78DD

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A78DD	#FFFFFF	#000000	##000000
##4A78DD	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4583E1

Deuteranopia (green-blind)

#2976DB

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4a78dd;
/* rgb */ color: rgb(74, 120, 221);
/* oklch */ color: oklch(59.2% 0.162 263.8);

Tailwind

colors: {
  custom: {
    50: '#8b9ee8',
    500: '#4a78dd',
    950: '#000000',
  },
}

SCSS

$custom: #4a78dd;
$custom-light: #8b9ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#4a78dd",
  "rgb": {
    "r": 74,
    "g": 120,
    "b": 221
  },
  "hsl": {
    "h": 221.224,
    "s": 68.372,
    "l": 57.843
  },
  "oklch": {
    "l": 0.59154,
    "c": 0.16214,
    "h": 263.8
  },
  "luminance": 0.20109
}

Semantic roles & 50–950 ramp

primary

#4A78DD

secondary

#DFCCA4

accent

#B53DEB

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4A78DD

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

Preview Lab → · Contrast checker → · Palette generator →