#4F83F4#4F83F4

#4F83F4 is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.1% C 0.178 H 263.5°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4F83F4
RGB	rgb(79, 131, 244)
HSL	hsl(221, 88%, 63%)
HSV	hsv(221, 68%, 96%)
CMYK	cmyk(67.6%, 46.3%, 0%, 4.3%)
CIE-LAB	lab(56.51, 18.82, -61.86)
CIE-LCH	lch(56.51, 64.66, 286.92°)
OKLab	oklab(63.15% -0.02 -0.1772)
OKLCH	oklch(63.15% 0.178 263.5)
XYZ	xyz(27.6641, 24.4237, 88.8267)
Luminance	0.2443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F83F4 #F4C04F

analogous

#4FD5F4 #4F83F4 #6D4FF4

triadic

#4F83F4 #F44F83 #83F44F

tetradic

#4F83F4 #F44FD5 #F4C04F #4FF46D

square

#4F83F4 #F44FD5 #F4C04F #4FF46D

split-complementary

#4F83F4 #F46D4F #D5F44F

monochromatic

#0C44BD #155AF0 #4F83F4 #89ACF8 #C2D4FB

Accessibility & contrast

On white

3.57

#4F83F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#4F83F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F83F4

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F83F4	#FFFFFF	#000000	##000000
##4F83F4	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4890F8

Deuteranopia (green-blind)

#2480F2

Tritanopia (blue-blind)

#009DB0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4f83f4;
/* rgb */ color: rgb(79, 131, 244);
/* oklch */ color: oklch(63.1% 0.178 263.5);

Tailwind

colors: {
  custom: {
    50: '#91a6f8',
    500: '#4f83f4',
    950: '#000000',
  },
}

SCSS

$custom: #4f83f4;
$custom-light: #91a6f8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f83f4",
  "rgb": {
    "r": 79,
    "g": 131,
    "b": 244
  },
  "hsl": {
    "h": 221.091,
    "s": 88.235,
    "l": 63.333
  },
  "oklch": {
    "l": 0.63148,
    "c": 0.17832,
    "h": 263.5
  },
  "luminance": 0.24427
}

Semantic roles & 50–950 ramp

primary

#4F83F4

secondary

#EDDAB2

accent

#9D01E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4F83F4

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

Preview Lab → · Contrast checker → · Palette generator →