#4F83F0#4F83F0

#4F83F0 is a light, vivid blue. Relative luminance 0.242; OKLCH L 62.9% C 0.173 H 263.1°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#4F83F0
RGB	rgb(79, 131, 240)
HSL	hsl(221, 84%, 63%)
HSV	hsv(221, 67%, 94%)
CMYK	cmyk(67.1%, 45.4%, 0%, 5.9%)
CIE-LAB	lab(56.27, 17.43, -60.03)
CIE-LCH	lch(56.27, 62.51, 286.19°)
OKLab	oklab(62.89% -0.0207 -0.1718)
OKLCH	oklch(62.89% 0.173 263.1)
XYZ	xyz(27.0634, 24.1834, 85.6628)
Luminance	0.2419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F83F0 #F0BC4F

analogous

#4FD4F0 #4F83F0 #6B4FF0

triadic

#4F83F0 #F04F83 #83F04F

tetradic

#4F83F0 #F04FD4 #F0BC4F #4FF06B

square

#4F83F0 #F04FD4 #F0BC4F #4FF06B

split-complementary

#4F83F0 #F06B4F #D4F04F

monochromatic

#0F45B5 #175BEB #4F83F0 #87ABF5 #C0D2FA

Accessibility & contrast

On white

3.60

#4F83F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#4F83F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F83F0

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F83F0	#FFFFFF	#000000	##000000
##4F83F0	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8FF4

Deuteranopia (green-blind)

#2C80EE

Tritanopia (blue-blind)

#009CAE

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4f83f0;
/* rgb */ color: rgb(79, 131, 240);
/* oklch */ color: oklch(62.9% 0.173 263.1);

Tailwind

colors: {
  custom: {
    50: '#91a6f5',
    500: '#4f83f0',
    950: '#000000',
  },
}

SCSS

$custom: #4f83f0;
$custom-light: #91a6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f83f0",
  "rgb": {
    "r": 79,
    "g": 131,
    "b": 240
  },
  "hsl": {
    "h": 220.621,
    "s": 84.293,
    "l": 62.549
  },
  "oklch": {
    "l": 0.62888,
    "c": 0.17304,
    "h": 263.1
  },
  "luminance": 0.24186
}

Semantic roles & 50–950 ramp

primary

#4F83F0

secondary

#EBD8B0

accent

#9A05E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4F83F0

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

Preview Lab → · Contrast checker → · Palette generator →