#4878BF#4878BF

#4878BF is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.2% C 0.122 H 258.1°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4878BF
RGB	rgb(72, 120, 191)
HSL	hsl(216, 48%, 52%)
HSV	hsv(216, 62%, 75%)
CMYK	cmyk(62.3%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(50.18, 6.01, -42.10)
CIE-LCH	lch(50.18, 42.53, 278.12°)
OKLab	oklab(57.21% -0.0253 -0.1195)
OKLCH	oklch(57.21% 0.122 258.1)
XYZ	xyz(18.7896, 18.5705, 51.8744)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4878BF #BF8F48

analogous

#48B4BF #4878BF #5448BF

triadic

#4878BF #BF4878 #78BF48

tetradic

#4878BF #BF48B4 #BF8F48 #48BF54

square

#4878BF #BF48B4 #BF8F48 #48BF54

split-complementary

#4878BF #BF5448 #B4BF48

monochromatic

#244068 #345C96 #4878BF #7599CF #A3BBDF

Accessibility & contrast

On white

4.45

#4878BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4878BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4878BF

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4878BF	#FFFFFF	#000000	##000000
##4878BF	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597DC2

Deuteranopia (green-blind)

#4972BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4878bf;
/* rgb */ color: rgb(72, 120, 191);
/* oklch */ color: oklch(57.2% 0.122 258.1);

Tailwind

colors: {
  custom: {
    50: '#869ed2',
    500: '#4878bf',
    950: '#000000',
  },
}

SCSS

$custom: #4878bf;
$custom-light: #869ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4878bf",
  "rgb": {
    "r": 72,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 215.798,
    "s": 48.178,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5721,
    "c": 0.1221,
    "h": 258.1
  },
  "luminance": 0.18572
}

Semantic roles & 50–950 ramp

primary

#4878BF

secondary

#CCB697

accent

#A150D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4878BF

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

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