#4978D9#4978D9

#4978D9 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.8% C 0.157 H 263.0°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#4978D9
RGB	rgb(73, 120, 217)
HSL	hsl(220, 65%, 57%)
HSV	hsv(220, 66%, 85%)
CMYK	cmyk(66.4%, 44.7%, 0%, 14.9%)
CIE-LAB	lab(51.68, 15.22, -54.53)
CIE-LCH	lch(51.68, 56.61, 285.59°)
OKLab	oklab(58.85% -0.0191 -0.1559)
OKLCH	oklch(58.85% 0.157 263)
XYZ	xyz(21.9841, 19.8570, 68.3064)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978D9 #D9AA49

analogous

#49C0D9 #4978D9 #6249D9

triadic

#4978D9 #D94978 #78D949

tetradic

#4978D9 #D949C0 #D9AA49 #49D962

square

#4978D9 #D949C0 #D9AA49 #49D962

split-complementary

#4978D9 #D96249 #C0D949

monochromatic

#1D418B #2858BD #4978D9 #7C9EE4 #AEC3EE

Accessibility & contrast

On white

4.22

#4978D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#4978D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978D9

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978D9	#FFFFFF	#000000	##000000
##4978D9	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4882DD

Deuteranopia (green-blind)

#2F75D7

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4978d9;
/* rgb */ color: rgb(73, 120, 217);
/* oklch */ color: oklch(58.8% 0.157 263.0);

Tailwind

colors: {
  custom: {
    50: '#8a9ee5',
    500: '#4978d9',
    950: '#000000',
  },
}

SCSS

$custom: #4978d9;
$custom-light: #8a9ee5;
$custom-dark: #000000;

JSON

{
  "hex": "#4978d9",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 217
  },
  "hsl": {
    "h": 220.417,
    "s": 65.455,
    "l": 56.863
  },
  "oklch": {
    "l": 0.58848,
    "c": 0.15707,
    "h": 263
  },
  "luminance": 0.19859
}

Semantic roles & 50–950 ramp

primary

#4978D9

secondary

#DCC9A2

accent

#B13FE8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4978D9

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

Preview Lab → · Contrast checker → · Palette generator →