#4F81E6#4F81E6

#4F81E6 is a mid, vivid blue. Relative luminance 0.231; OKLCH L 61.8% C 0.162 H 262.8°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#4F81E6
RGB	rgb(79, 129, 230)
HSL	hsl(220, 75%, 61%)
HSV	hsv(220, 66%, 90%)
CMYK	cmyk(65.7%, 43.9%, 0%, 9.8%)
CIE-LAB	lab(55.15, 15.19, -56.26)
CIE-LCH	lch(55.15, 58.27, 285.11°)
OKLab	oklab(61.84% -0.0204 -0.1607)
OKLCH	oklch(61.84% 0.162 262.8)
XYZ	xyz(25.3526, 23.0735, 77.9651)
Luminance	0.2308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F81E6 #E6B44F

analogous

#4FCDE6 #4F81E6 #684FE6

triadic

#4F81E6 #E64F81 #81E64F

tetradic

#4F81E6 #E64FCD #E6B44F #4FE668

square

#4F81E6 #E64FCD #E6B44F #4FE668

split-complementary

#4F81E6 #E6684F #CDE64F

monochromatic

#1746A3 #1F5CD9 #4F81E6 #85A7EE #BACEF5

Accessibility & contrast

On white

3.74

#4F81E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#4F81E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F81E6

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F81E6	#FFFFFF	#000000	##000000
##4F81E6	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508BEA

Deuteranopia (green-blind)

#367EE4

Tritanopia (blue-blind)

#0098A8

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4f81e6;
/* rgb */ color: rgb(79, 129, 230);
/* oklch */ color: oklch(61.8% 0.162 262.8);

Tailwind

colors: {
  custom: {
    50: '#8fa5ee',
    500: '#4f81e6',
    950: '#000000',
  },
}

SCSS

$custom: #4f81e6;
$custom-light: #8fa5ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4f81e6",
  "rgb": {
    "r": 79,
    "g": 129,
    "b": 230
  },
  "hsl": {
    "h": 220.132,
    "s": 75.124,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61836,
    "c": 0.16204,
    "h": 262.8
  },
  "luminance": 0.23076
}

Semantic roles & 50–950 ramp

primary

#4F81E6

secondary

#E5D2AC

accent

#950ED7

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4F81E6

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

Preview Lab → · Contrast checker → · Palette generator →