#4F83DB#4F83DB

#4F83DB is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.6% C 0.145 H 260.3°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#4F83DB
RGB	rgb(79, 131, 219)
HSL	hsl(218, 66%, 58%)
HSV	hsv(218, 64%, 86%)
CMYK	cmyk(63.9%, 40.2%, 0%, 14.1%)
CIE-LAB	lab(55.08, 10.19, -50.21)
CIE-LCH	lch(55.08, 51.23, 281.47°)
OKLab	oklab(61.58% -0.0245 -0.1429)
OKLCH	oklch(61.58% 0.145 260.3)
XYZ	xyz(24.1224, 23.0071, 70.1737)
Luminance	0.2301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F83DB #DBA74F

analogous

#4FC9DB #4F83DB #614FDB

triadic

#4F83DB #DB4F83 #83DB4F

tetradic

#4F83DB #DB4FC9 #DBA74F #4FDB61

square

#4F83DB #DB4FC9 #DBA74F #4FDB61

split-complementary

#4F83DB #DB614F #C9DB4F

monochromatic

#1E4992 #2862C5 #4F83DB #82A7E5 #B5CBF0

Accessibility & contrast

On white

3.75

#4F83DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#4F83DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F83DB

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F83DB	#FFFFFF	#000000	##000000
##4F83DB	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8BDE

Deuteranopia (green-blind)

#477ED9

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4f83db;
/* rgb */ color: rgb(79, 131, 219);
/* oklch */ color: oklch(61.6% 0.145 260.3);

Tailwind

colors: {
  custom: {
    50: '#8da6e6',
    500: '#4f83db',
    950: '#000000',
  },
}

SCSS

$custom: #4f83db;
$custom-light: #8da6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f83db",
  "rgb": {
    "r": 79,
    "g": 131,
    "b": 219
  },
  "hsl": {
    "h": 217.714,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.61584,
    "c": 0.14503,
    "h": 260.3
  },
  "luminance": 0.23009
}

Semantic roles & 50–950 ramp

primary

#4F83DB

secondary

#DFCAA7

accent

#AA3FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F83DB

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

Preview Lab → · Contrast checker → · Palette generator →