#4F71E9#4F71E9

#4F71E9 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.8% C 0.185 H 268.3°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4F71E9
RGB	rgb(79, 113, 233)
HSL	hsl(227, 78%, 61%)
HSV	hsv(227, 66%, 91%)
CMYK	cmyk(66.1%, 51.5%, 0%, 8.6%)
CIE-LAB	lab(51.10, 26.08, -64.45)
CIE-LCH	lch(51.10, 69.52, 292.03°)
OKLab	oklab(58.8% -0.0055 -0.1851)
OKLCH	oklch(58.8% 0.185 268.3)
XYZ	xyz(23.8325, 19.3535, 79.5546)
Luminance	0.1936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F71E9 #E9C74F

analogous

#4FBEE9 #4F71E9 #7A4FE9

triadic

#4F71E9 #E94F71 #71E94F

tetradic

#4F71E9 #E94FBE #E9C74F #4FE97A

square

#4F71E9 #E94FBE #E9C74F #4FE97A

split-complementary

#4F71E9 #E97A4F #BEE94F

monochromatic

#1536A9 #1C47DF #4F71E9 #859DF0 #BCC9F7

Accessibility & contrast

On white

4.31

#4F71E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4F71E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F71E9

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F71E9	#FFFFFF	#000000	##000000
##4F71E9	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2581ED

Deuteranopia (green-blind)

#0073E7

Tritanopia (blue-blind)

#008DA2

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4f71e9;
/* rgb */ color: rgb(79, 113, 233);
/* oklch */ color: oklch(58.8% 0.185 268.3);

Tailwind

colors: {
  custom: {
    50: '#9099f1',
    500: '#4f71e9',
    950: '#000000',
  },
}

SCSS

$custom: #4f71e9;
$custom-light: #9099f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f71e9",
  "rgb": {
    "r": 79,
    "g": 113,
    "b": 233
  },
  "hsl": {
    "h": 226.753,
    "s": 77.778,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58805,
    "c": 0.18515,
    "h": 268.3
  },
  "luminance": 0.19356
}

Semantic roles & 50–950 ramp

primary

#4F71E9

secondary

#E7DAAD

accent

#AC0BDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #4F71E9

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

Preview Lab → · Contrast checker → · Palette generator →