#4F78CD#4F78CD

#4F78CD is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.4% C 0.139 H 263.3°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4F78CD
RGB	rgb(79, 120, 205)
HSL	hsl(220, 56%, 56%)
HSV	hsv(220, 61%, 80%)
CMYK	cmyk(61.5%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(51.27, 12.11, -48.36)
CIE-LCH	lch(51.27, 49.85, 284.06°)
OKLab	oklab(58.39% -0.0161 -0.1377)
OKLCH	oklch(58.39% 0.139 263.3)
XYZ	xyz(20.9565, 19.5011, 60.4055)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78CD #CDA44F

analogous

#4FB7CD #4F78CD #654FCD

triadic

#4F78CD #CD4F78 #78CD4F

tetradic

#4F78CD #CD4FB7 #CDA44F #4FCD65

square

#4F78CD #CD4FB7 #CDA44F #4FCD65

split-complementary

#4F78CD #CD654F #B7CD4F

monochromatic

#24417E #315AAE #4F78CD #7F9DDB #AEC1E8

Accessibility & contrast

On white

4.29

#4F78CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#4F78CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78CD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78CD	#FFFFFF	#000000	##000000
##4F78CD	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280D0

Deuteranopia (green-blind)

#4075CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4f78cd;
/* rgb */ color: rgb(79, 120, 205);
/* oklch */ color: oklch(58.4% 0.139 263.3);

Tailwind

colors: {
  custom: {
    50: '#8b9edd',
    500: '#4f78cd',
    950: '#000000',
  },
}

SCSS

$custom: #4f78cd;
$custom-light: #8b9edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78cd",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 220.476,
    "s": 55.752,
    "l": 55.686
  },
  "oklch": {
    "l": 0.58388,
    "c": 0.13861,
    "h": 263.3
  },
  "luminance": 0.19503
}

Semantic roles & 50–950 ramp

primary

#4F78CD

secondary

#D6C5A2

accent

#AE49DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4F78CD

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

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