#4978E0#4978E0

#4978E0 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.3% C 0.167 H 263.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4978E0
RGB	rgb(73, 120, 224)
HSL	hsl(221, 71%, 58%)
HSV	hsv(221, 67%, 88%)
CMYK	cmyk(67.4%, 46.4%, 0%, 12.2%)
CIE-LAB	lab(52.10, 17.68, -57.80)
CIE-LCH	lch(52.10, 60.44, 287.00°)
OKLab	oklab(59.31% -0.018 -0.1655)
OKLCH	oklch(59.31% 0.167 263.8)
XYZ	xyz(22.9139, 20.2290, 73.2036)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978E0 #E0B149

analogous

#49C3E0 #4978E0 #6649E0

triadic

#4978E0 #E04978 #78E049

tetradic

#4978E0 #E049C3 #E0B149 #49E066

square

#4978E0 #E049C3 #E0B149 #49E066

split-complementary

#4978E0 #E06649 #C3E049

monochromatic

#194095 #2256C9 #4978E0 #7D9FE9 #B2C6F2

Accessibility & contrast

On white

4.16

#4978E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#4978E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978E0

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978E0	#FFFFFF	#000000	##000000
##4978E0	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4284E4

Deuteranopia (green-blind)

#2276DE

Tritanopia (blue-blind)

#0090A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4978e0;
/* rgb */ color: rgb(73, 120, 224);
/* oklch */ color: oklch(59.3% 0.167 263.8);

Tailwind

colors: {
  custom: {
    50: '#8c9eea',
    500: '#4978e0',
    950: '#000000',
  },
}

SCSS

$custom: #4978e0;
$custom-light: #8c9eea;
$custom-dark: #000000;

JSON

{
  "hex": "#4978e0",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 224
  },
  "hsl": {
    "h": 221.325,
    "s": 70.892,
    "l": 58.235
  },
  "oklch": {
    "l": 0.59305,
    "c": 0.16651,
    "h": 263.8
  },
  "luminance": 0.20231
}

Semantic roles & 50–950 ramp

primary

#4978E0

secondary

#E0CEA4

accent

#B63AEE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4978E0

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

Preview Lab → · Contrast checker → · Palette generator →