#4978BC#4978BC

#4978BC is a mid, moderate blue. Relative luminance 0.185; OKLCH L 57.1% C 0.118 H 257.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4978BC
RGB	rgb(73, 120, 188)
HSL	hsl(215, 46%, 51%)
HSV	hsv(215, 61%, 74%)
CMYK	cmyk(61.2%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(50.07, 5.17, -40.55)
CIE-LCH	lch(50.07, 40.87, 277.27°)
OKLab	oklab(57.09% -0.0252 -0.1149)
OKLCH	oklch(57.09% 0.118 257.6)
XYZ	xyz(18.5380, 18.4786, 50.1570)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978BC #BC8D49

analogous

#49B2BC #4978BC #5349BC

triadic

#4978BC #BC4978 #78BC49

tetradic

#4978BC #BC49B2 #BC8D49 #49BC53

square

#4978BC #BC49B2 #BC8D49 #49BC53

split-complementary

#4978BC #BC5349 #B2BC49

monochromatic

#253F65 #365B92 #4978BC #7699CC #A2BADD

Accessibility & contrast

On white

4.47

#4978BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4978BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978BC

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978BC	#FFFFFF	#000000	##000000
##4978BC	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBF

Deuteranopia (green-blind)

#4C72BB

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4978bc;
/* rgb */ color: rgb(73, 120, 188);
/* oklch */ color: oklch(57.1% 0.118 257.6);

Tailwind

colors: {
  custom: {
    50: '#869ed0',
    500: '#4978bc',
    950: '#000000',
  },
}

SCSS

$custom: #4978bc;
$custom-light: #869ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#4978bc",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 215.478,
    "s": 46.185,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57086,
    "c": 0.11762,
    "h": 257.6
  },
  "luminance": 0.1848
}

Semantic roles & 50–950 ramp

primary

#4978BC

secondary

#CAB597

accent

#A052D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4978BC

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

Preview Lab → · Contrast checker → · Palette generator →