#4878CB#4878CB

#4878CB is a mid, vivid blue. Relative luminance 0.191; OKLCH L 57.9% C 0.138 H 260.6°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4878CB
RGB	rgb(72, 120, 203)
HSL	hsl(218, 56%, 54%)
HSV	hsv(218, 65%, 80%)
CMYK	cmyk(64.5%, 40.9%, 0%, 20.4%)
CIE-LAB	lab(50.83, 10.16, -47.94)
CIE-LCH	lch(50.83, 49.00, 281.96°)
OKLab	oklab(57.92% -0.0226 -0.1366)
OKLCH	oklch(57.92% 0.138 260.6)
XYZ	xyz(20.1646, 19.1205, 59.1163)
Luminance	0.1912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4878CB #CB9B48

analogous

#48BACB #4878CB #5A48CB

triadic

#4878CB #CB4878 #78CB48

tetradic

#4878CB #CB48BA #CB9B48 #48CB5A

square

#4878CB #CB48BA #CB9B48 #48CB5A

split-complementary

#4878CB #CB5A48 #BACB48

monochromatic

#224177 #2F5BA6 #4878CB #789BD9 #A7BEE6

Accessibility & contrast

On white

4.35

#4878CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#4878CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4878CB

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4878CB	#FFFFFF	#000000	##000000
##4878CB	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280CE

Deuteranopia (green-blind)

#3F73C9

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4878cb;
/* rgb */ color: rgb(72, 120, 203);
/* oklch */ color: oklch(57.9% 0.138 260.6);

Tailwind

colors: {
  custom: {
    50: '#879edb',
    500: '#4878cb',
    950: '#000000',
  },
}

SCSS

$custom: #4878cb;
$custom-light: #879edb;
$custom-dark: #000000;

JSON

{
  "hex": "#4878cb",
  "rgb": {
    "r": 72,
    "g": 120,
    "b": 203
  },
  "hsl": {
    "h": 218.015,
    "s": 55.745,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57922,
    "c": 0.13842,
    "h": 260.6
  },
  "luminance": 0.19122
}

Semantic roles & 50–950 ramp

primary

#4878CB

secondary

#D3BF9B

accent

#A849DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4878CB

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

Preview Lab → · Contrast checker → · Palette generator →