#4978CD#4978CD

#4978CD is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.1% C 0.141 H 261.3°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4978CD
RGB	rgb(73, 120, 205)
HSL	hsl(219, 57%, 55%)
HSV	hsv(219, 64%, 80%)
CMYK	cmyk(64.4%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(50.98, 11.03, -48.83)
CIE-LCH	lch(50.98, 50.06, 282.73°)
OKLab	oklab(58.09% -0.0213 -0.1391)
OKLCH	oklch(58.09% 0.141 261.3)
XYZ	xyz(20.4797, 19.2552, 60.3831)
Luminance	0.1926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978CD #CD9E49

analogous

#49BACD #4978CD #5C49CD

triadic

#4978CD #CD4978 #78CD49

tetradic

#4978CD #CD49BA #CD9E49 #49CD5C

square

#4978CD #CD49BA #CD9E49 #49CD5C

split-complementary

#4978CD #CD5C49 #BACD49

monochromatic

#22417A #2F5BAA #4978CD #799CDA #A9BFE7

Accessibility & contrast

On white

4.33

#4978CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#4978CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978CD

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978CD	#FFFFFF	#000000	##000000
##4978CD	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180D0

Deuteranopia (green-blind)

#3D74CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4978cd;
/* rgb */ color: rgb(73, 120, 205);
/* oklch */ color: oklch(58.1% 0.141 261.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4978cd",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 218.636,
    "s": 56.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58092,
    "c": 0.14077,
    "h": 261.3
  },
  "luminance": 0.19257
}

Semantic roles & 50–950 ramp

primary

#4978CD

secondary

#D5C19D

accent

#AA48E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4978CD

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

Preview Lab → · Contrast checker → · Palette generator →