#4F82DB#4F82DB

#4F82DB is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.4% C 0.146 H 260.8°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#4F82DB
RGB	rgb(79, 130, 219)
HSL	hsl(218, 66%, 58%)
HSV	hsv(218, 64%, 86%)
CMYK	cmyk(63.9%, 40.6%, 0%, 14.1%)
CIE-LAB	lab(54.80, 10.79, -50.65)
CIE-LCH	lch(54.80, 51.78, 282.03°)
OKLab	oklab(61.37% -0.0235 -0.1443)
OKLCH	oklch(61.37% 0.146 260.8)
XYZ	xyz(23.9887, 22.7397, 70.1291)
Luminance	0.2274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F82DB #DBA84F

analogous

#4FC8DB #4F82DB #624FDB

triadic

#4F82DB #DB4F82 #82DB4F

tetradic

#4F82DB #DB4FC8 #DBA84F #4FDB62

square

#4F82DB #DB4FC8 #DBA84F #4FDB62

split-complementary

#4F82DB #DB624F #C8DB4F

monochromatic

#1E4892 #2861C5 #4F82DB #82A6E5 #B5CAF0

Accessibility & contrast

On white

3.78

#4F82DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#4F82DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F82DB

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F82DB	#FFFFFF	#000000	##000000
##4F82DB	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8ADE

Deuteranopia (green-blind)

#457DD9

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4f82db;
/* rgb */ color: rgb(79, 130, 219);
/* oklch */ color: oklch(61.4% 0.146 260.8);

Tailwind

colors: {
  custom: {
    50: '#8da5e6',
    500: '#4f82db',
    950: '#000000',
  },
}

SCSS

$custom: #4f82db;
$custom-light: #8da5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f82db",
  "rgb": {
    "r": 79,
    "g": 130,
    "b": 219
  },
  "hsl": {
    "h": 218.143,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.6137,
    "c": 0.14616,
    "h": 260.8
  },
  "luminance": 0.22742
}

Semantic roles & 50–950 ramp

primary

#4F82DB

secondary

#DFCAA7

accent

#AB3FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F82DB

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

Preview Lab → · Contrast checker → · Palette generator →