#506FDD#506FDD

#506FDD is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.6% C 0.171 H 268.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#506FDD
RGB	rgb(80, 111, 221)
HSL	hsl(227, 67%, 59%)
HSV	hsv(227, 64%, 87%)
CMYK	cmyk(63.8%, 49.8%, 0%, 13.3%)
CIE-LAB	lab(49.85, 23.34, -59.70)
CIE-LCH	lch(49.85, 64.11, 291.36°)
OKLab	oklab(57.62% -0.0039 -0.1711)
OKLCH	oklch(57.62% 0.171 268.7)
XYZ	xyz(22.0394, 18.2928, 70.7620)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#506FDD #DDBE50

analogous

#50B5DD #506FDD #7850DD

triadic

#506FDD #DD506F #6FDD50

tetradic

#506FDD #DD50B5 #DDBE50 #50DD78

square

#506FDD #DD50B5 #DDBE50 #50DD78

split-complementary

#506FDD #DD7850 #B5DD50

monochromatic

#1D3896 #274BC9 #506FDD #8399E7 #B6C3F1

Accessibility & contrast

On white

4.51

#506FDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#506FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #506FDD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##506FDD	#FFFFFF	#000000	##000000
##506FDD	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327DE1

Deuteranopia (green-blind)

#0571DB

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #506fdd;
/* rgb */ color: rgb(80, 111, 221);
/* oklch */ color: oklch(57.6% 0.171 268.7);

Tailwind

colors: {
  custom: {
    50: '#8f97e8',
    500: '#506fdd',
    950: '#000000',
  },
}

SCSS

$custom: #506fdd;
$custom-light: #8f97e8;
$custom-dark: #000000;

JSON

{
  "hex": "#506fdd",
  "rgb": {
    "r": 80,
    "g": 111,
    "b": 221
  },
  "hsl": {
    "h": 226.809,
    "s": 67.464,
    "l": 59.02
  },
  "oklch": {
    "l": 0.57624,
    "c": 0.17116,
    "h": 268.7
  },
  "luminance": 0.18295
}

Semantic roles & 50–950 ramp

primary

#506FDD

secondary

#E0D4A9

accent

#C43DEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #506FDD

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

Preview Lab → · Contrast checker → · Palette generator →