#4F81D2#4F81D2

#4F81D2 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.6% C 0.135 H 259.6°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4F81D2
RGB	rgb(79, 129, 210)
HSL	hsl(217, 59%, 57%)
HSV	hsv(217, 62%, 82%)
CMYK	cmyk(62.4%, 38.6%, 0%, 17.6%)
CIE-LAB	lab(54.04, 8.33, -46.78)
CIE-LCH	lch(54.04, 47.52, 280.10°)
OKLab	oklab(60.62% -0.0244 -0.133)
OKLCH	oklch(60.62% 0.135 259.6)
XYZ	xyz(22.7035, 22.0138, 64.0129)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F81D2 #D2A04F

analogous

#4FC3D2 #4F81D2 #5F4FD2

triadic

#4F81D2 #D24F81 #81D24F

tetradic

#4F81D2 #D24FC3 #D2A04F #4FD25F

square

#4F81D2 #D24FC3 #D2A04F #4FD25F

split-complementary

#4F81D2 #D25F4F #C3D24F

monochromatic

#224885 #2E62B5 #4F81D2 #80A4DE #B0C7EB

Accessibility & contrast

On white

3.89

#4F81D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#4F81D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F81D2

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F81D2	#FFFFFF	#000000	##000000
##4F81D2	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)

#5E88D5

Deuteranopia (green-blind)

#4B7CD0

Tritanopia (blue-blind)

#00939F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4f81d2;
/* rgb */ color: rgb(79, 129, 210);
/* oklch */ color: oklch(60.6% 0.135 259.6);

Tailwind

colors: {
  custom: {
    50: '#8ca5e0',
    500: '#4f81d2',
    950: '#000000',
  },
}

SCSS

$custom: #4f81d2;
$custom-light: #8ca5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f81d2",
  "rgb": {
    "r": 79,
    "g": 129,
    "b": 210
  },
  "hsl": {
    "h": 217.099,
    "s": 59.276,
    "l": 56.667
  },
  "oklch": {
    "l": 0.60623,
    "c": 0.13517,
    "h": 259.6
  },
  "luminance": 0.22016
}

Semantic roles & 50–950 ramp

primary

#4F81D2

secondary

#D9C5A4

accent

#A645E2

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4F81D2

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

Preview Lab → · Contrast checker → · Palette generator →