#4F78C8#4F78C8

#4F78C8 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.1% C 0.132 H 262.5°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4F78C8
RGB	rgb(79, 120, 200)
HSL	hsl(220, 52%, 55%)
HSV	hsv(220, 61%, 78%)
CMYK	cmyk(60.5%, 40%, 0%, 21.6%)
CIE-LAB	lab(50.99, 10.41, -45.94)
CIE-LCH	lch(50.99, 47.11, 282.77°)
OKLab	oklab(58.09% -0.0171 -0.1306)
OKLCH	oklch(58.09% 0.132 262.5)
XYZ	xyz(20.3626, 19.2636, 57.2775)
Luminance	0.1926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78C8 #C89F4F

analogous

#4FB5C8 #4F78C8 #624FC8

triadic

#4F78C8 #C84F78 #78C84F

tetradic

#4F78C8 #C84FB5 #C89F4F #4FC862

square

#4F78C8 #C84FB5 #C89F4F #4FC862

split-complementary

#4F78C8 #C8624F #B5C84F

monochromatic

#254177 #345BA6 #4F78C8 #7E9CD7 #ACC0E5

Accessibility & contrast

On white

4.33

#4F78C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#4F78C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78C8

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78C8	#FFFFFF	#000000	##000000
##4F78C8	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557FCB

Deuteranopia (green-blind)

#4574C6

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4f78c8;
/* rgb */ color: rgb(79, 120, 200);
/* oklch */ color: oklch(58.1% 0.132 262.5);

Tailwind

colors: {
  custom: {
    50: '#8a9ed9',
    500: '#4f78c8',
    950: '#000000',
  },
}

SCSS

$custom: #4f78c8;
$custom-light: #8a9ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78c8",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 219.669,
    "s": 52.381,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58087,
    "c": 0.13171,
    "h": 262.5
  },
  "luminance": 0.19265
}

Semantic roles & 50–950 ramp

primary

#4F78C8

secondary

#D3C2A0

accent

#AB4CDC

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #4F78C8

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

Preview Lab → · Contrast checker → · Palette generator →