#4878BC#4878BC

#4878BC is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.0% C 0.118 H 257.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4878BC
RGB	rgb(72, 120, 188)
HSL	hsl(215, 46%, 51%)
HSV	hsv(215, 62%, 74%)
CMYK	cmyk(61.7%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(50.03, 4.98, -40.62)
CIE-LCH	lch(50.03, 40.93, 276.99°)
OKLab	oklab(57.04% -0.026 -0.1151)
OKLCH	oklch(57.04% 0.118 257.3)
XYZ	xyz(18.4628, 18.4398, 50.1535)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4878BC #BC8C48

analogous

#48B2BC #4878BC #5248BC

triadic

#4878BC #BC4878 #78BC48

tetradic

#4878BC #BC48B2 #BC8C48 #48BC52

square

#4878BC #BC48B2 #BC8C48 #48BC52

split-complementary

#4878BC #BC5248 #B2BC48

monochromatic

#253F65 #355B92 #4878BC #7599CC #A2BADD

Accessibility & contrast

On white

4.48

#4878BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4878BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4878BC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4878BC	#FFFFFF	#000000	##000000
##4878BC	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBF

Deuteranopia (green-blind)

#4B72BB

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4878bc;
/* rgb */ color: rgb(72, 120, 188);
/* oklch */ color: oklch(57.0% 0.118 257.3);

Tailwind

colors: {
  custom: {
    50: '#859ed0',
    500: '#4878bc',
    950: '#000000',
  },
}

SCSS

$custom: #4878bc;
$custom-light: #859ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#4878bc",
  "rgb": {
    "r": 72,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 215.172,
    "s": 46.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57038,
    "c": 0.11804,
    "h": 257.3
  },
  "luminance": 0.18441
}

Semantic roles & 50–950 ramp

primary

#4878BC

secondary

#CAB496

accent

#9F52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4878BC

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

Preview Lab → · Contrast checker → · Palette generator →