#4F71EB#4F71EB

#4F71EB is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.9% C 0.188 H 268.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4F71EB
RGB	rgb(79, 113, 235)
HSL	hsl(227, 80%, 62%)
HSV	hsv(227, 66%, 92%)
CMYK	cmyk(66.4%, 51.9%, 0%, 7.8%)
CIE-LAB	lab(51.23, 26.77, -65.36)
CIE-LCH	lch(51.23, 70.62, 292.27°)
OKLab	oklab(58.95% -0.0053 -0.1877)
OKLCH	oklch(58.95% 0.188 268.4)
XYZ	xyz(24.1198, 19.4684, 81.0678)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F71EB #EBC94F

analogous

#4FBFEB #4F71EB #7B4FEB

triadic

#4F71EB #EB4F71 #71EB4F

tetradic

#4F71EB #EB4FBF #EBC94F #4FEB7B

square

#4F71EB #EB4FBF #EBC94F #4FEB7B

split-complementary

#4F71EB #EB7B4F #BFEB4F

monochromatic

#1435AC #1A46E3 #4F71EB #869DF1 #BDCAF7

Accessibility & contrast

On white

4.29

#4F71EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4F71EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F71EB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F71EB	#FFFFFF	#000000	##000000
##4F71EB	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2181EF

Deuteranopia (green-blind)

#0073E9

Tritanopia (blue-blind)

#008EA3

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4f71eb;
/* rgb */ color: rgb(79, 113, 235);
/* oklch */ color: oklch(58.9% 0.188 268.4);

Tailwind

colors: {
  custom: {
    50: '#9199f2',
    500: '#4f71eb',
    950: '#000000',
  },
}

SCSS

$custom: #4f71eb;
$custom-light: #9199f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f71eb",
  "rgb": {
    "r": 79,
    "g": 113,
    "b": 235
  },
  "hsl": {
    "h": 226.923,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58948,
    "c": 0.18782,
    "h": 268.4
  },
  "luminance": 0.19471
}

Semantic roles & 50–950 ramp

primary

#4F71EB

secondary

#E8DBAE

accent

#AE0ADC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #4F71EB

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

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