#4978BB#4978BB

#4978BB is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.0% C 0.116 H 257.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4978BB
RGB	rgb(73, 120, 187)
HSL	hsl(215, 46%, 51%)
HSV	hsv(215, 61%, 73%)
CMYK	cmyk(61%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(50.02, 4.83, -40.05)
CIE-LCH	lch(50.02, 40.34, 276.88°)
OKLab	oklab(57.03% -0.0254 -0.1135)
OKLCH	oklch(57.03% 0.116 257.4)
XYZ	xyz(18.4306, 18.4356, 49.5912)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978BB #BB8C49

analogous

#49B1BB #4978BB #5349BB

triadic

#4978BB #BB4978 #78BB49

tetradic

#4978BB #BB49B1 #BB8C49 #49BB53

square

#4978BB #BB49B1 #BB8C49 #49BB53

split-complementary

#4978BB #BB5349 #B1BB49

monochromatic

#253F64 #365B91 #4978BB #7699CC #A2BADC

Accessibility & contrast

On white

4.48

#4978BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4978BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978BB

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978BB	#FFFFFF	#000000	##000000
##4978BB	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)

#5C7DBE

Deuteranopia (green-blind)

#4C72BA

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4978bb;
/* rgb */ color: rgb(73, 120, 187);
/* oklch */ color: oklch(57.0% 0.116 257.4);

Tailwind

colors: {
  custom: {
    50: '#859ed0',
    500: '#4978bb',
    950: '#000000',
  },
}

SCSS

$custom: #4978bb;
$custom-light: #859ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#4978bb",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 215.263,
    "s": 45.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5703,
    "c": 0.11627,
    "h": 257.4
  },
  "luminance": 0.18437
}

Semantic roles & 50–950 ramp

primary

#4978BB

secondary

#C9B497

accent

#9F53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4978BB

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

Preview Lab → · Contrast checker → · Palette generator →