#4A78E5#4A78E5

#4A78E5 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.7% C 0.173 H 264.5°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4A78E5
RGB	rgb(74, 120, 229)
HSL	hsl(222, 75%, 59%)
HSV	hsv(222, 68%, 90%)
CMYK	cmyk(67.7%, 47.6%, 0%, 10.2%)
CIE-LAB	lab(52.45, 19.58, -60.04)
CIE-LCH	lch(52.45, 63.16, 288.06°)
OKLab	oklab(59.69% -0.0165 -0.1721)
OKLCH	oklch(59.69% 0.173 264.5)
XYZ	xyz(23.6784, 20.5436, 76.8310)
Luminance	0.2055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A78E5 #E5B74A

analogous

#4AC5E5 #4A78E5 #6A4AE5

triadic

#4A78E5 #E54A78 #78E54A

tetradic

#4A78E5 #E54AC5 #E5B74A #4AE56A

square

#4A78E5 #E54AC5 #E5B74A #4AE56A

split-complementary

#4A78E5 #E56A4A #C5E54A

monochromatic

#173F9E #1E54D3 #4A78E5 #80A0ED #B5C8F4

Accessibility & contrast

On white

4.11

#4A78E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#4A78E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A78E5

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A78E5	#FFFFFF	#000000	##000000
##4A78E5	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E85E9

Deuteranopia (green-blind)

#1676E3

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4a78e5;
/* rgb */ color: rgb(74, 120, 229);
/* oklch */ color: oklch(59.7% 0.173 264.5);

Tailwind

colors: {
  custom: {
    50: '#8d9eee',
    500: '#4a78e5',
    950: '#000000',
  },
}

SCSS

$custom: #4a78e5;
$custom-light: #8d9eee;
$custom-dark: #000000;

JSON

{
  "hex": "#4a78e5",
  "rgb": {
    "r": 74,
    "g": 120,
    "b": 229
  },
  "hsl": {
    "h": 222.194,
    "s": 74.879,
    "l": 59.412
  },
  "oklch": {
    "l": 0.59685,
    "c": 0.1729,
    "h": 264.5
  },
  "luminance": 0.20546
}

Semantic roles & 50–950 ramp

primary

#4A78E5

secondary

#E4D2A7

accent

#BA36F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4A78E5

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

Preview Lab → · Contrast checker → · Palette generator →