#4878CF#4878CF

#4878CF is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.2% C 0.144 H 261.3°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4878CF
RGB	rgb(72, 120, 207)
HSL	hsl(219, 58%, 55%)
HSV	hsv(219, 65%, 81%)
CMYK	cmyk(65.2%, 42%, 0%, 18.8%)
CIE-LAB	lab(51.05, 11.55, -49.86)
CIE-LCH	lch(51.05, 51.18, 283.05°)
OKLab	oklab(58.17% -0.0218 -0.1422)
OKLCH	oklch(58.17% 0.144 261.3)
XYZ	xyz(20.6475, 19.3137, 61.6592)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4878CF #CF9F48

analogous

#48BBCF #4878CF #5C48CF

triadic

#4878CF #CF4878 #78CF48

tetradic

#4878CF #CF48BB #CF9F48 #48CF5C

square

#4878CF #CF48BB #CF9F48 #48CF5C

split-complementary

#4878CF #CF5C48 #BBCF48

monochromatic

#21417C #2D5BAD #4878CF #789CDC #A9C0E8

Accessibility & contrast

On white

4.32

#4878CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#4878CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4878CF

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4878CF	#FFFFFF	#000000	##000000
##4878CF	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)

#5080D2

Deuteranopia (green-blind)

#3B74CD

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4878cf;
/* rgb */ color: rgb(72, 120, 207);
/* oklch */ color: oklch(58.2% 0.144 261.3);

Tailwind

colors: {
  custom: {
    50: '#889ede',
    500: '#4878cf',
    950: '#000000',
  },
}

SCSS

$custom: #4878cf;
$custom-light: #889ede;
$custom-dark: #000000;

JSON

{
  "hex": "#4878cf",
  "rgb": {
    "r": 72,
    "g": 120,
    "b": 207
  },
  "hsl": {
    "h": 218.667,
    "s": 58.442,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58168,
    "c": 0.14386,
    "h": 261.3
  },
  "luminance": 0.19316
}

Semantic roles & 50–950 ramp

primary

#4878CF

secondary

#D6C29D

accent

#AA46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4878CF

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

Preview Lab → · Contrast checker → · Palette generator →