#4978E5#4978E5

#4978E5 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.6% C 0.173 H 264.3°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#4978E5
RGB	rgb(73, 120, 229)
HSL	hsl(222, 75%, 59%)
HSV	hsv(222, 68%, 90%)
CMYK	cmyk(68.1%, 47.6%, 0%, 10.2%)
CIE-LAB	lab(52.40, 19.43, -60.12)
CIE-LCH	lch(52.40, 63.18, 287.91°)
OKLab	oklab(59.64% -0.0173 -0.1723)
OKLCH	oklch(59.64% 0.173 264.3)
XYZ	xyz(23.6020, 20.5042, 76.8274)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978E5 #E5B649

analogous

#49C6E5 #4978E5 #6849E5

triadic

#4978E5 #E54978 #78E549

tetradic

#4978E5 #E549C6 #E5B649 #49E568

square

#4978E5 #E549C6 #E5B649 #49E568

split-complementary

#4978E5 #E56849 #C6E549

monochromatic

#163F9D #1E55D3 #4978E5 #7FA0ED #B4C7F4

Accessibility & contrast

On white

4.12

#4978E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#4978E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978E5

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978E5	#FFFFFF	#000000	##000000
##4978E5	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D85E9

Deuteranopia (green-blind)

#1576E3

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4978e5;
/* rgb */ color: rgb(73, 120, 229);
/* oklch */ color: oklch(59.6% 0.173 264.3);

Tailwind

colors: {
  custom: {
    50: '#8c9eee',
    500: '#4978e5',
    950: '#000000',
  },
}

SCSS

$custom: #4978e5;
$custom-light: #8c9eee;
$custom-dark: #000000;

JSON

{
  "hex": "#4978e5",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 229
  },
  "hsl": {
    "h": 221.923,
    "s": 75,
    "l": 59.216
  },
  "oklch": {
    "l": 0.59639,
    "c": 0.17321,
    "h": 264.3
  },
  "luminance": 0.20507
}

Semantic roles & 50–950 ramp

primary

#4978E5

secondary

#E3D1A6

accent

#B936F2

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4978E5

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

Preview Lab → · Contrast checker → · Palette generator →