#4F84DB#4F84DB

#4F84DB is a mid, vivid blue. Relative luminance 0.233; OKLCH L 61.8% C 0.144 H 259.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#4F84DB
RGB	rgb(79, 132, 219)
HSL	hsl(217, 66%, 58%)
HSV	hsv(217, 64%, 86%)
CMYK	cmyk(63.9%, 39.7%, 0%, 14.1%)
CIE-LAB	lab(55.36, 9.58, -49.77)
CIE-LCH	lch(55.36, 50.68, 280.90°)
OKLab	oklab(61.8% -0.0255 -0.1416)
OKLCH	oklch(61.8% 0.144 259.8)
XYZ	xyz(24.2574, 23.2770, 70.2186)
Luminance	0.2328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F84DB #DBA64F

analogous

#4FCADB #4F84DB #604FDB

triadic

#4F84DB #DB4F84 #84DB4F

tetradic

#4F84DB #DB4FCA #DBA64F #4FDB60

square

#4F84DB #DB4FCA #DBA64F #4FDB60

split-complementary

#4F84DB #DB604F #CADB4F

monochromatic

#1E4A92 #2863C5 #4F84DB #82A8E5 #B5CBF0

Accessibility & contrast

On white

3.71

#4F84DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#4F84DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F84DB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F84DB	#FFFFFF	#000000	##000000
##4F84DB	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D8CDE

Deuteranopia (green-blind)

#497FD9

Tritanopia (blue-blind)

#0098A5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4f84db;
/* rgb */ color: rgb(79, 132, 219);
/* oklch */ color: oklch(61.8% 0.144 259.8);

Tailwind

colors: {
  custom: {
    50: '#8da7e6',
    500: '#4f84db',
    950: '#000000',
  },
}

SCSS

$custom: #4f84db;
$custom-light: #8da7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f84db",
  "rgb": {
    "r": 79,
    "g": 132,
    "b": 219
  },
  "hsl": {
    "h": 217.286,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.61798,
    "c": 0.14392,
    "h": 259.8
  },
  "luminance": 0.23279
}

Semantic roles & 50–950 ramp

primary

#4F84DB

secondary

#DFCAA7

accent

#A93FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F84DB

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

Preview Lab → · Contrast checker → · Palette generator →