#4978CE#4978CE

#4978CE is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.2% C 0.142 H 261.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4978CE
RGB	rgb(73, 120, 206)
HSL	hsl(219, 58%, 55%)
HSV	hsv(219, 65%, 81%)
CMYK	cmyk(64.6%, 41.7%, 0%, 19.2%)
CIE-LAB	lab(51.04, 11.38, -49.31)
CIE-LCH	lch(51.04, 50.60, 282.99°)
OKLab	oklab(58.15% -0.0211 -0.1406)
OKLCH	oklch(58.15% 0.142 261.5)
XYZ	xyz(20.6008, 19.3037, 61.0209)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978CE #CE9F49

analogous

#49BBCE #4978CE #5D49CE

triadic

#4978CE #CE4978 #78CE49

tetradic

#4978CE #CE49BB #CE9F49 #49CE5D

square

#4978CE #CE49BB #CE9F49 #49CE5D

split-complementary

#4978CE #CE5D49 #BBCE49

monochromatic

#21417B #2E5BAC #4978CE #799CDB #A9C0E8

Accessibility & contrast

On white

4.32

#4978CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#4978CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978CE

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978CE	#FFFFFF	#000000	##000000
##4978CE	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180D1

Deuteranopia (green-blind)

#3C74CC

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4978ce;
/* rgb */ color: rgb(73, 120, 206);
/* oklch */ color: oklch(58.2% 0.142 261.5);

Tailwind

colors: {
  custom: {
    50: '#889edd',
    500: '#4978ce',
    950: '#000000',
  },
}

SCSS

$custom: #4978ce;
$custom-light: #889edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4978ce",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 218.797,
    "s": 57.576,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58153,
    "c": 0.14214,
    "h": 261.5
  },
  "luminance": 0.19306
}

Semantic roles & 50–950 ramp

primary

#4978CE

secondary

#D5C29D

accent

#AA47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4978CE

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

Preview Lab → · Contrast checker → · Palette generator →