#4F81E7#4F81E7

#4F81E7 is a mid, vivid blue. Relative luminance 0.231; OKLCH L 61.9% C 0.163 H 262.9°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#4F81E7
RGB	rgb(79, 129, 231)
HSL	hsl(220, 76%, 61%)
HSV	hsv(220, 66%, 91%)
CMYK	cmyk(65.8%, 44.2%, 0%, 9.4%)
CIE-LAB	lab(55.21, 15.53, -56.72)
CIE-LCH	lch(55.21, 58.81, 285.31°)
OKLab	oklab(61.9% -0.0203 -0.1621)
OKLCH	oklch(61.9% 0.163 262.9)
XYZ	xyz(25.4934, 23.1298, 78.7068)
Luminance	0.2313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F81E7 #E7B54F

analogous

#4FCDE7 #4F81E7 #694FE7

triadic

#4F81E7 #E74F81 #81E74F

tetradic

#4F81E7 #E74FCD #E7B54F #4FE769

square

#4F81E7 #E74FCD #E7B54F #4FE769

split-complementary

#4F81E7 #E7694F #CDE74F

monochromatic

#1745A5 #1E5CDB #4F81E7 #85A8EE #BBCEF6

Accessibility & contrast

On white

3.73

#4F81E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#4F81E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F81E7

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F81E7	#FFFFFF	#000000	##000000
##4F81E7	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508CEB

Deuteranopia (green-blind)

#357EE5

Tritanopia (blue-blind)

#0098A9

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4f81e7;
/* rgb */ color: rgb(79, 129, 231);
/* oklch */ color: oklch(61.9% 0.163 262.9);

Tailwind

colors: {
  custom: {
    50: '#8fa5ef',
    500: '#4f81e7',
    950: '#000000',
  },
}

SCSS

$custom: #4f81e7;
$custom-light: #8fa5ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4f81e7",
  "rgb": {
    "r": 79,
    "g": 129,
    "b": 231
  },
  "hsl": {
    "h": 220.263,
    "s": 76,
    "l": 60.784
  },
  "oklch": {
    "l": 0.61899,
    "c": 0.16338,
    "h": 262.9
  },
  "luminance": 0.23132
}

Semantic roles & 50–950 ramp

primary

#4F81E7

secondary

#E6D3AC

accent

#950DD8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4F81E7

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

Preview Lab → · Contrast checker → · Palette generator →