#4F82CC#4F82CC

#4F82CC is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.5% C 0.126 H 257.7°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4F82CC
RGB	rgb(79, 130, 204)
HSL	hsl(216, 55%, 55%)
HSV	hsv(216, 61%, 80%)
CMYK	cmyk(61.3%, 36.3%, 0%, 20%)
CIE-LAB	lab(54.01, 5.70, -43.44)
CIE-LCH	lch(54.01, 43.81, 277.47°)
OKLab	oklab(60.5% -0.0268 -0.1231)
OKLCH	oklch(60.5% 0.126 257.7)
XYZ	xyz(22.1023, 21.9852, 60.1938)
Luminance	0.2199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F82CC #CC994F

analogous

#4FC0CC #4F82CC #5A4FCC

triadic

#4F82CC #CC4F82 #82CC4F

tetradic

#4F82CC #CC4FC0 #CC994F #4FCC5A

square

#4F82CC #CC4FC0 #CC994F #4FCC5A

split-complementary

#4F82CC #CC5A4F #C0CC4F

monochromatic

#24487D #3264AC #4F82CC #7EA4DA #AEC5E7

Accessibility & contrast

On white

3.89

#4F82CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#4F82CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F82CC

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F82CC	#FFFFFF	#000000	##000000
##4F82CC	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6288CF

Deuteranopia (green-blind)

#517CCA

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4f82cc;
/* rgb */ color: rgb(79, 130, 204);
/* oklch */ color: oklch(60.5% 0.126 257.7);

Tailwind

colors: {
  custom: {
    50: '#8ba5dc',
    500: '#4f82cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f82cc;
$custom-light: #8ba5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f82cc",
  "rgb": {
    "r": 79,
    "g": 130,
    "b": 204
  },
  "hsl": {
    "h": 215.52,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60497,
    "c": 0.12604,
    "h": 257.7
  },
  "luminance": 0.21987
}

Semantic roles & 50–950 ramp

primary

#4F82CC

secondary

#D5C0A1

accent

#A249DE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4F82CC

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

Preview Lab → · Contrast checker → · Palette generator →